Three men have been charged in connection with a protest during which an activist climbed on to scaffolding outside the Houses of Parliament.
The man unfurled a banner protesting against the war in Afghanistan on Wednesday. Police stopped another group from climbing the scaffolding.
Seamus O'Colgan and Simon Moore, both of no fixed address, are charged with trespassing a protected site.
Mark Maybe, 43, of Cambridge, was charged with obstructing the highway.
Mr O'Colgan, 38, and Mr Moore, 27, are due to appear at City of Westminster Magistrates' Court later.
Mr Maybe, of Robson Court, Water Beach, has been bailed until 7 June when he is due to appear before Westminster magistrates.