No survivors had so far been found, the newspaper reported. Senator Ted Cruz of Texas said on social media that "we know there are fatalities," though he did not say how many. At least 18 bodies have been recovered, CBS News reported, citing a police official. There has not been a fatal US passenger airplane accident since February 2009, but a series of near-miss incidents in recent years have raised serious safety concerns. A web camera shot from the Kennedy Center in Washington showed an explosion mid-air across the Potomac around 8.47pm with an aircraft in flames crashing down rapidly. According to the US Federal Aviation Administration, a PSA Airlines regional jet collided midair with a Sikorsky H-60 helicopter. The US Federal Aviation Administration said a PSA Airlines regional jet collided midair with the helicopter while on approach to Reagan. PSA was operating Flight 5342 for American Airlines, which had departed from Wichita, Kansas, according to the FAA.