An anti-G8 protester was wrestled to the ground by police officers after appearing to try and jump off a building in central London.
The start of this video has no sound.
Thirty-two people have been arrested during the demonstrations in the capital ahead of next week's G8 summit in Northern Ireland.
More top news
Former Girls Aloud singer Kimberley Walsh is pregnant with her second child, she has revealed.
Chancellor George Osborne will seek to reassure financial markets on Monday morning following Britain's decision to leave the EU.
In his first outing since the referendum result, the lead Leave campaigner has outlined his vision for a post-Brexit Britain.