Police kill another black man in US State of Missouri The police killing of a second black man in Missouri in 11 days has threatened to further escalate tension. The police officers yesterday shot dead a man who brandished a knife at them. St Louis Police Chief Sam Dotson said witnesses reported the man had been behaving in an erratic manner, and emphasised the officers had a right to defend themselves. They said the suspect turned towards the officers, pulled out knife in an overhand grip and told the officers to shoot him. The 9th August shooting of Michael Brown, 18, sparked days of violent protests in the town of Ferguson, prompting a heavy police crackdown. There is widespread anger against the mainly white police force for killing Mr. Brown, who was unarmed. Mr Brown's family says his funeral will take place on Monday.US Attorney General, Eric Holder, is due to visit Ferguson today to meet officials investigating the killing. BBC