[Harry Truman]Getty Images ATHENS (Reuters) - A group of Greek communist party supporters tried to take down a statue of former U.S. president Harry Truman in central Athens on Monday during a protest against air strikes on Syria by the United States, Britain and France on Saturday. Protesters clashed with police who used tear gas to disperse the crowd, a Reuters witness said. At least three protesters were injured, with blood visible on their heads.SEE THE REST OF THE STORY AT BUSINESS INSIDERNOW WATCH: This incredible animation shows how humans evolved from early life SEE ALSO: * More than 250 people killed in Algerian military plane crash * Pentagon says no comment after Trump tweets missiles 'will be coming' to Syria * Russia calls for restraint as US considers Syria in response to continued chemical weapon attacks SEE ALSO: PENTAGON: US-LED SYRIA STRIKES STRUCK AT 'HEART' OF CHEMICAL WEAPONS PROGRAM, BUT 'RESIDUAL' CAPACITY REMAINS