People gather in Parliament Square and enjoy lunch before the protest

They listen to speeches on an 'open mic' directly outside Parliament.

After finishing their speeches, they move toward Whitehall

police officers attempt to grab people from the crowd which has formed in front

The crowd lose patience and tear down the barriers

Walter Wolfgang and Labour MP, Tony Benn, leave the crowd

'snatch team' officers move into the crowd and carry out random arrests

A man is dragged by his neck by a snatch squad