Breaking News: 1 Dead, 4 Injured after Knife Rampage on London Bridge

At least one person has been killed after a suspected terror attack on London Bridge.

A person is believed to have started attacking people with a knife and was then shot by police.

One person, who is not thought to be the suspect, has been killed and there are up to four other casualties, police told Sky's home affairs editor Mark White.

A Met Police spokesman said: "Police were called at 1.58pm to a stabbing at premises near to London Bridge. Emergency services attended, including officers from the Met and City of London Police.

"A man has been detained by police. We believe a number of people have been injured."

London Ambulance Service has declared a major incident.

Video from the bridge shows a group of up to 10 pedestrians tackling a person, with one pedestrian grabbing a large knife, before police tell them to get off the person and a shot is then heard.

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