Hundreds of Muslims clashed with riot police in central Athens today who retaliated by spraying tear gas into crowds protesting what they said was the destruction of a Koran by police, accordint to dpa. Hundreds of immigrants, many from Pakistan, Afghanistan and Syria marched towards the Interior Ministry in central Athens, clashing with riot police by throwing rocks and sticks. Riot police retaliated by spraying tear gas to disperse the crowds. The immigrants said that during a police check on a cafe late on Thursday in central Athens an officer took a customer's Koran, ripped it apart, threw it on the floor and stomped on it, dpa reported.