New York police are searching for the owner of a severed human hand that dropped from the sky on to the deck of a boat. The incident happened near the Lawrence Village Marina, on Long Island, where parties were taking place on a number of craft. Police said the human hand mysteriously dropped out of the sky and hit the deck of one of the boats, says the New York Post. Nassau Detective Sgt. John Azzata, said: "One owner was in the cabin when he heard a noise, goes out to check and finds the hand on the rear deck...