Unknown assailants lay siege to a Red Cross residential building in Misrata, Libya - prompting the agency to withdraw staff from two cities.

Usain Bolt wins a second successive men's 100m Olympic gold medal, with Yohan Blake taking silver and Justin Gatlin bronze.

Ezekiel Kemboi secures Kenya's first gold medal of London 2012 after winning the men's 3,000m steeplechase final.

Members of the US Sikh community express their shock after six worshippers are shot dead at a temple in Wisconsin.

Israel says it has found the bodies of eight gunmen who attacked a checkpoint on the border with Egypt, killing 16 Egyptian policemen.

Chinese state media hit out at US "trouble-making" on the South China Sea, two days after Beijing summoned a US diplomat on the issue.

Men's doubles pair Cai Yun and Fu Haifeng claim gold for China beating Danish duo Mathias Boe and Carsten Mogensen.

Japan marks the 67th anniversary of the atomic bomb attack on Hiroshima, amid growing anti-nuclear sentiments.