A carnival parade has been called off at short notice in Braunschweig, northern Germany, due to the threat of an Islamist attack, police said. A "specific threat of an Islamist attack" was identified by state security sources, they said in a statement. Police urged people planning to attend to stay at home. The parade - a well-known regional attraction - was cancelled only 90 minutes before it was due to start. "Many people arriving at the train station were already dressed up and very disappointed - but we didn't want to take any risks," police spokesman Thomas Geese was quoted...