Authorities in New York's Long Island are investigating a blast that left a crater and was felt miles away Sunday. Police are working with the FBI on the probe, to determine whether it could have been a prelude to something bigger. The Suffolk County Police Department said the explosion occurred on Fox Island, off the coast of West Babylon, around 11:40 a.m. when a device was detonated. Authorities received nearly three dozen 911 calls, the department told Fox News.