The numerous drone sightings by members of the public in East Coast states are not out of the ordinary and do not pose “a national security or public safety risk,” the FBI and three other federal agencies said in a joint statement Monday night.

The Department of Homeland Security, the Federal Aviation Administration, the Defense Department and the FBI said commercial, hobbyist and law enforcement drones, as well as some crewed fixed-wing aircraft, helicopters and stars, were among the…