What we know and what we don't about the London Bridge attack https://t.co/EgtrcL0sZP

— The Independent (@Independent) June 4, 2017

7 members of the public died in #LondonAttacks as well as 3 attackers – London Met police chief Cressida Dick https://t.co/ptuTcTqqL2 pic.twitter.com/MpTm7wbtl8

— BBC News (UK) (@BBCNews) June 4, 2017

VIDEO: Witnesses describe deadly London attack: https://t.co/CdnPkvwilO

— The Associated Press (@AP) June 4, 2017

Taxi driver said he desperately tried to stop terrorists by ramming them with his cab https://t.co/b4elJNDK3N

— The Independent (@Independent) June 4, 2017

London terror: Muslim Council of Britain says 'attack during Ramadan shows they respect neither life nor faith' https://t.co/Xiq8Nq31Xy

— Standard News (@standardnews) June 4, 2017

Londoners Are Showing A Defiant Spirit In The Wake Of The London Bridge Attack https://t.co/JslPe4uRTH via @laurafleur

— Stuart Millar (@stuartmillar159) June 4, 2017

Reeling? Really? You guys don't know London https://t.co/BiSWKsjouF

— Lionel Barber (@lionelbarber) June 4, 2017

Our response to the London Bridge attack shouldn't be to stop election campaigns or sacrifice citizens' rights https://t.co/HXfyYGPLan

— The Independent (@Independent) June 4, 2017

This. Is. Happening. On. Your. Watch. https://t.co/WEY3ddiVRK

— Patrick Dalton (@shitlondon) June 4, 2017

Police say multiple casualties reported at London Bridge, where van struck pedestrians in possible terror attack. https://t.co/eRf4Pk6AUt

— The Associated Press (@AP) June 4, 2017

What we know so far about the incidents at London Bridge, Borough market and Vauxhall in London https://t.co/LPZVZXbLkt pic.twitter.com/kXhOugKpI7

— The Guardian (@guardian) June 3, 2017

Explosions heard near London Bridge after earlier attackshttps://t.co/Dr6DMKiH1O

— The Wall Street Journal (@WSJ) June 4, 2017

UPDATE: The incident at London's Vauxhall area is a stabbing unrelated to the incidents at London Bridge and Borough Market, Met Police say pic.twitter.com/yk7Rf2R1iy

— NBC News (@NBCNews) June 3, 2017

NBC News' @MattMcBradley describes the scene near London Bridge after reports of a vehicle striking pedestrians https://t.co/GQqnQjidRl

— NBC News (@NBCNews) June 3, 2017

British PM says “terrible incident” in London is being treated as “potential act of terrorism”. #LondonBridgehttps://t.co/wYBTO1qoqC

— The Irish Times (@IrishTimes) June 3, 2017

Witness to London Bridge incident saw six lying on ground after van plowed into people https://t.co/kaahIzAXVi pic.twitter.com/E1LNsT04fm

— Reuters (@Reuters) June 4, 2017

The Latest: British police say there are reports of multiple casualties following major incident on London Bridge. https://t.co/PTnCayInHn

— The Associated Press (@AP) June 3, 2017

Here's a map of the major incident underway at London Bridge. Follow our latest updates: https://t.co/xt5YGt8pxD pic.twitter.com/oIShMs57Fj

— BuzzFeed News (@BuzzFeedNews) June 3, 2017

Due to the ongoing incident in central London, Guy's, St Thomas' & @EvelinaLondon are on lockdown to keep patients, relatives and staff safe

— Guy's and St Thomas' (@GSTTnhs) June 4, 2017

Police say there is a second incident taking place at London's Borough Market pic.twitter.com/fntLm0hgek

— Sky News (@SkyNews) June 3, 2017

Police respond to incidents at London Bridge and Borough Market – live https://t.co/6VK8xt5VY0

— The Guardian (@guardian) June 3, 2017

Latest updates as a major incident is declared after a white van struck and injured pedestrians on London Bridge. https://t.co/EAkjGxcMkf

— BBC Breaking News (@BBCBreaking) June 3, 2017

#LondonBridge incident: Witness say they 'saw people being stabbed' https://t.co/pYkiuFVi5F

— The Telegraph (@Telegraph) June 3, 2017

UK police rush to London Bridge after witnesses report van hitting pedestrians. More here: https://t.co/D91q64RhZz pic.twitter.com/n2VDSnTH6e

— Reuters (@Reuters) June 3, 2017

Several blocks around London Bridge shut down as U.K. police respond to 'incident' https://t.co/JiXny1X6ZK

— The Wall Street Journal (@WSJ) June 3, 2017

I simply cannot recall anything like this. People forced to march, with their hands on their heads, through the streets of London. pic.twitter.com/w63GTqO2sd

— James Mitchinson (@JayMitchinson) June 3, 2017

As well as #LondonBridge officers have also responsed to an incident in #BoroughMarket. We have armed police at the scenes.

— Metropolitan Police (@metpoliceuk) June 3, 2017

I'm in contact with the Met Police commissioner. Follow @metpoliceuk for updates on the incidents at #LondonBridge #BoroughMarket #Vauxhall

— Mayor of London (@MayorofLondon) June 3, 2017

My statement on the cowardly terrorist attack in London tonight: https://t.co/7GYYdImIU8
Please continue to follow @metpoliceuk for updates pic.twitter.com/xxTbH2o2JN

— Sadiq Khan (@SadiqKhan) June 4, 2017