A US government agency says the very richest Americans have become much wealthier over the past three decades than any other income group. The Congressional Budget Office found the top one per cent's income nearly

tripled

in the last 30 years. By contrast, the poorest fifth of the population saw their income grow by 18% in the same period.

An Egyptian court has sentenced two policemen to seven years in prison over the killing of an activist whose death helped catalyse protests against the former President Hosni Mubarak. Khaled Said was taken from an Internet cafe and beaten to death in June last year. The government initially said he'd

choked

to death on a packet of drugs, but photos posted on the Internet showed bloody wounds on his corpse.

Libya's transitional council has confirmed it's investigating reports that Colonel Gaddafi

was subject to

a violent sexual assault moments before he died. The interim government is already investigating whether he was executed after his capture last week. Katya Adler reports from Tripoli.

Since Colonel Gaddafi was killed six days ago, mobile phone footage of his last moments has been appearing on the Internet. Colonel Gaddafi is surrounded by a crowd of shouting, taunting anti-Gaddafi fighters, so it's difficult to see exactly what's going on until you play the clips in slow motion. The footage appears to show Libya's former dictator being subjected to a serious sexual assault. Libya's National Transitional Council has told the BBC it's investigating every action leading up to Colonel Gaddafi's death, including the allegations of