Greek anti-terror squad investigates after a bomb was defused near riot police headquarters

Greece's antiterrorism squad is investigating after the national riot police headquarters was targeted Monday with a bomb that was defused before it could explode, as police union members protested increasing violence against officers in the force. The bomb had been left in a copse near the riot police headquarters outside the city center and close to a university campus, police said. Many in Greece accuse riot police of brutality against demonstrators during the myriad protests held by leftwing groups or students who often attack police, sparking widespread clashes.