A number of stabbings that occurred near London Bridge have been declared a "terrorist incident" by police.
A male suspect was shot and died at the scene.
Neil Basu, the head of UK counter-terrorism policing, said it is believed the man shot was wearing a "hoax explosive device" strapped to his body.
"A number of other people received injuries during this incident," he continued.
Mr Basu said they were keeping an open mind as to the motive for the attack.
Officers were first called at 2pm after reports of a stabbing near London Bridge, with police confirming "a number of people" had been stabbed near to London Bridge.
Footage on social media appeared to show armed officers with their weapons poised, while witnesses reported hearing gunfire.
An eyewitness named Joe, who was evacuated from his office overlooking London Bridge, told Forces News: "We basically saw people running and armed police running towards the bridge.
"We rushed to the windows and saw a guy lifeless on the floor."
Police are appealing for anyone with information relating to the incident near London Bridge to call the Anti-Terrorist Hotline on 0800 789 321.