U.S. Senators from New York and New Jersey are asking the government to investigate a number of unexplained drone sightings over their states. In a letter the senators call on the Department of Homeland Security, the FAA, and the FBI to-quote-“identify and address the source of recent unmanned aerial system activity.” Citing a thrat to both civilian and military sites the senators asked for a briefing as soon as possible. A Pentagon spokesperson told reporters there’s “no no evidence the drones came from a foreign entity.