The suspect in the deadly attack on Dallas police taunted authorities during two hours of negotiations, laughing at them, singing and at one point asking how many officers he had shot, the police chief says. By Reese Dunklin and Juliet Linderman.

'Operation Mincemeat' mastermind who used a dead drunk's corpse to fool the Germans in WW2 most amazing spy story is remembered as his medals go up for sale Using dead body of a tramp they duped Germans into thinking the Allies were planning to attack Greece and Sardinia rather than Sicily in 1943 The body was dropped into the sea from a Royal Navy submarine and then floated towards the coast of Spain, carrying a case full of fake documents An Oxford-educated spymaster who duped the Germans using the body of a dead tramp carrying fake documents in World War Two is remembered as his medals go up for sale. Sir John Masterman ran the Twenty Committee , responsible for the use of double agents during the War.

The European Union's top economic official has criticised a British proposal to slash corporate tax to less than 15% following the nation's vote to abandon the bloc. "Going to 15% does not seem to me to be a good initiative," EU Economic Affairs Commissioner Pierre Moscovici told French radio.