The U.S. Park Police is seeking the public’s help in identifying six vandals accused of spray painting pro-Hamas graffiti on historical landmarks during Prime Minister Benjamin Netanyahu’s controversial visit to Capitol Hill last week. The individuals, who appear to be five men and one woman, are also responsible for assaulting a police officer at Columbus Circle in Washington, D.C., authorities alleged. The Israeli leader’s speech to Congress Thursday sparked waves of chaos near Capitol grounds. Bystander video showed a dramatic scene of police dressed in riot gear pepper spraying, striking, …