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
ITV News travels to Jordan to report on the growing global threat of the spread of deadly drug-resistant 'super bugs'.
The plight of Honduran migrants searching for safety has been harshly criticised by the US president.
Avicii, whose real name was Tim Bergling, was found dead in Muscat, Oman on Friday, according to his agent.