Police at the scene of an incident on London Bridge in central London following a police incident, Friday, Nov. 29, 2019. British police said Friday they were dealing with an incident on London Bridge, and witnesses have reported hearing gunshots. The Metropolitan Police force tweeted that officers were “in the early stages of dealing with an incident at London Bridge.” (Dominic Lipinski/PA via AP) 
People are evacuated from London Bridge in central London following a police incident, Friday, Nov. 29, 2019. British police said Friday they were dealing with an incident on London Bridge, and witnesses have reported hearing gunshots. The Metropolitan Police force tweeted that officers were “in the early stages of dealing with an incident at London Bridge.” (Dominic Lipinski/PA via AP) 
People are evacuated from London Bridge in central London following a police incident, Friday, Nov. 29, 2019. British police said Friday they were dealing with an incident on London Bridge, and witnesses have reported hearing gunshots. The Metropolitan Police force tweeted that officers were “in the early stages of dealing with an incident at London Bridge.” (Dominic Lipinski/PA via AP) 
People are evacuated from near London Bridge in central London following a police incident, Friday, Nov. 29, 2019. British police said Friday they were dealing with an incident on London Bridge, and witnesses have reported hearing gunshots. The Metropolitan Police force tweeted that officers were “in the early stages of dealing with an incident at London Bridge.” (Dominic Lipinski/PA via AP) 
Police and emergency services at the scene of an incident on London Bridge in central London following a police incident, Friday, Nov. 29, 2019. British police said Friday they were dealing with an incident on London Bridge, and witnesses have reported hearing gunshots. The Metropolitan Police force tweeted that officers were “in the early stages of dealing with an incident at London Bridge.” (Dominic Lipinski/PA via AP) 
Armed police at the scene of an incident on London Bridge in central London following a police incident, Friday, Nov. 29, 2019. British police said Friday they were dealing with an incident on London Bridge, and witnesses have reported hearing gunshots. The Metropolitan Police force tweeted that officers were “in the early stages of dealing with an incident at London Bridge.” (Dominic Lipinski/PA via AP) 
Armed police at the scene of an incident on London Bridge in central London following a police incident, Friday, Nov. 29, 2019. British police said Friday they were dealing with an incident on London Bridge, and witnesses have reported hearing gunshots. The Metropolitan Police force tweeted that officers were “in the early stages of dealing with an incident at London Bridge.” (Dominic Lipinski/PA via AP) 
A police officer moves an uninvolved person away from a cordon after an incident on London Bridge in central London following a police incident, Friday, Nov. 29, 2019. British police said Friday they were dealing with an incident on London Bridge, and witnesses have reported hearing gunshots. The Metropolitan Police force tweeted that officers were “in the early stages of dealing with an incident at London Bridge.” (Dominic Lipinski/PA via AP) 
Police vehicles block the road in the Borough area at the south side of London Bridge in London, Friday, Nov. 29, 2019. British police say several people have stabbed near to London Bridge, and a man has been detained. The news came after witnesses reported hearing gunshots in the area. (AP Photo/Frank Augstein) 
Armed police and emergency services at the scene of an incident on London Bridge in central London following a police incident, Friday, Nov. 29, 2019. British police cleared the area around London Bridge in the center of the British capital on Friday after a stabbing and shooting incident that left several people injured. Police said one man had been detained, and witnesses reported seeing a man shot by armed officers. (Dominic Lipinski/PA via AP) 
A member of the police, outside a newsagent, in the vicinity of Borough Market and London Bridge in central London following a police incident, Friday, Nov. 29, 2019. British police cleared the area around London Bridge in the center of the British capital on Friday after a stabbing and shooting incident that left several people injured. Police said one man had been detained, and witnesses reported seeing a man shot by armed officers. (Dominic Lipinski/PA via AP) 
Police vehicles and buses on top and underneath London Bridge in London, Friday, Nov. 29, 2019. British police say several people have stabbed near to London Bridge, and a man has been detained. The news came after witnesses reported hearing gunshots in the area. (AP Photo/Frank Augstein) 
People stand outside London Bridge station after is was closed following an incident in London, Friday, Nov. 29, 2019. British police shot a man on London Bridge in the heart of Britain’s capital on Friday after a stabbing that left several people wounded. The Metropolitan Police force said the circumstances were still unclear, but “as a precaution, we are currently responding to this incident as though it is terror-related.” (AP Photo/Alberto Pezzali) 
In this grab taken from video made available by @HLOBlog, a man is surrounded by police after an incident on London Bridge, in London, Friday, Nov. 29, 2019. A man wearing a fake explosive vest stabbed several people before being tackled by members of the public and then shot dead by armed officers on London Bridge, police and the city’s mayor say. Police say they are treating it as a terrorist attack. (@HLOBlog via AP)
LONDON | A man wearing a fake explosive vest stabbed several people in what police are treating as a terrorist attack Friday before being tackled by members of the public and then fatally shot by officers on London Bridge, police and the city’s mayor said.
The Metropolitan Police said “a number” of people were wounded but gave no information on how many or their conditions. London Mayor Sadiq Khan said some of the injured were in serious condition.
Khan said police weren’t looking for anyone else.
Metropolitan Police counterterrorism chief Neil Basu said the suspect appeared to be wearing a bomb vest but it turned out to be “a hoax explosive device.”
Basu said officers were keeping “an open mind as to any motive.”
The violence erupted two-and-a-half years after a van and knife attack in the same area killed eight people.
Police said a stabbing at a “premises” near the bridge, which links the city’s business district with the south bank of the River Thames, was reported about 2 p.m.
Minutes later, witnesses saw a knifeman being wrestled to the ground by members of the public before armed-response officers shot him dead.
One video posted on social media showed two men struggling on the bridge before police pulled a man in civilian clothes off a black-clad man on the ground. Gunshots followed.
Other images showed police, guns drawn, pointing at a figure on the ground in the distance.
Karen Bosch, who was on a bus crossing he bridge, said she saw police “wrestling with one tall, bearded man” and then heard “gunshots, two loud pops.”
She said the man “pulled his coat back which showed that he had some sort of vest underneath, whether it’s a stab vest, or some sort of explosive vest, the police then really quickly moved backwards, away.”
Another bus passenger, Amanda Hunter, told the BBC that the vehicle “all of a sudden stopped and there was commotion and I looked out the window and I just saw these three police officers going over to a man.”
“It seemed like there was something in his hand, I’m not 100% sure, but then one of the police officers shot him.”
Police confirmed that the man died at the scene.
The mayor praised the “breathtaking heroism of members of the public who literally ran towards danger not knowing what confronted him.”
“They are the best of us,” Khan said.
Cars and buses on the busy bridge were at a standstill after the shooting, with a white truck stopped diagonally across the lanes. Video footage showed police pointing guns at the truck before moving to check its container.
British Transport Police said London Bridge station, one of the city’s busiest rail hubs, was closed and trains were not stopping there.
Scores of police, some armed with submachine guns, flooded the area, ushering office workers and tourists out of the
packed with office buildings, banks, restaurants and bars. Staff in nearby office blocks were told to stay inside.
The stabbing Friday revived memories of the June 2017 London Bridge attack, when three assailants inspired by the Islamic State group ran down people on the bridge, killing two, before stabbing several people to death in nearby Borough Market.
That fatal attack took place days before a general election. Britons are due to go to the polls again on Dec. 12.
Prime Minister Boris Johnson’s office said he was receiving updates on the stabbing and was returning to his 10 Downing St. office from campaigning in his local constituency.
In March 2017, an attacker fatally struck four people with a car on nearby Westminster Bridge then fatally stabbed a police officer before security forces shot and killed him in a courtyard outside Parliament.
Security officials earlier this month downgraded Britain’s terrorism threat level from “severe” to “substantial,” which means an attack is seen as “likely” rather than “highly likely.” The assessment was made by the Joint Terrorism Analysis Centre, an independent expert body that evaluates intelligence, terrorist capability and intentions.
The U.K.’s terror threat was last listed as “substantial” in August 2014; since then it has held steady at “severe,” briefly rising to “critical” in May and September 2017.