London Hit By Deadly Terrorist Attacks

LONDON (CBS) - Six people are confirmed dead and thirty others were wounded in a terrorist attack that started on the London Bridge.

The attack happened Saturday evening in London when a van drove out of the traffic lanes on the bridge and plowed into a crowd of people in the pedestrian walkway.

The three attackers reportedly jumped out of the van and went on a stabbing spree at the scene and then moved to the nearby Borough Market, a popular spot for tourists.

CBS News confirmed that police have also shot and killed three of the attackers. It has not been reported if there are any others.

Police immediately closed off the bridge and began their search for the attackers.

Police later encountered a man laying on the ground with what appeared to be canisters strapped to his belt.

Earlier in the evening, the London Ambulance Service said they were working to give help to those who were in need of medical attention.

"We are responding to an incident alongside other emergency services at London Bridge. We have sent a number of ambulance crews, advanced paramedics and specialist response teams to the scene, with the first of our medics arriving in six minutes," they said, adding that they were working with other emergency crews.

The latest reports said that 20 people had been taken to six different hospitals.

Heavily armed police are still spread out across London and police are advising Londoners to stay away from both of the terrorism scenes.

In response to the attacks, the U.S. Embassy in London issued a statement telling Americans to be careful.

"U.S. citizens in London are urged to avoid those areas and to follow local media and other information sources for additional guidance," the embassy said.

And President Donald Trump tweeted  his support for British officials, offering U.S. assistance in the investigation.

The London attacks took place as police in Manchester continue their investigation into the Manchester terror attacks. Manchester Police say they arrested a 20-year-old man on suspicion of terrorism. So far, 18 people have been arrested in connection with the May 22 attack.

Boston Police say they have continued to increase their patrols in response to the Manchester, UK incident.

Updates will be posted as they are available.