"I'm not going to disagree with you that we've damaged public trust through some of the actions we've taken," Facebook's Vice President of Policy Solutions Richard Allan said.
No serious injuries have been reported as London's terrorism police unit investigates a crash at the scene of a previous attack in England's capital.
"'Trump Baby' is really just a mascot for a much wider movement that is ready to resist," British activist Leo Murray said.
Here's how to get tickets.
One of the men emptied a revolver but for one bullet then spun the chamber and aimed it at his head.
Group members use expressions like "not safe in taxis" to describe certain men.
Monday's attack targeted worshippers from an institution with a proud history of fighting violent extremism.
Figures released by Mayor of London Sadiq Khan show as many as 20 incidents per day.
Khuram Butt and Rachid Redouane were "warned about their conduct" after wrestling in the water.
The divisions in the East End community have turned it into a flashpoint between white nationalists and radical Islamists.
Police have already named the other two attackers as Khuram Butt and Rachid Redouance.
After the third attack in less than three months, Prime Minister Theresa May said Thursday's election would go ahead.
The arrests were made in connection with Saturday's attack that killed seven.
It is an old Russian strategy to conduct its attacks when the world is looking elsewhere.
London and the United Kingdom continue to be the subject of an "elevated threat" of terrorism.
May also vowed that Parliament would continue as normal, despite the attack.
Rob Lyon describes how he survived an attack in the heart of British democracy.
Abuse victims will suffer as a result of the failed U.K. police investigation, Harvey Proctor said.