PAF training planes collide; four die NOWSHEHRA, Pakistan, May 17 (UPI) -- Two Pakistan Air Force training planes collided in flight and fell on houses in Nowshehra Thursday, killing four people and injuring 10, officials said. Two squadron leaders and two trainee pilots died when the two planes were participating in flight formation maneuvering training collided, The Express Tribune reported. Of the 10 injured on the ground, three were children and one was a woman, police officials said. One witness said the wings of the airplanes collided with each other, touching off a fire and causing them to crash onto two houses below. Two PAF trainer aircraft collided midair. Four pilots were killed; two were trainee pilots and two were instructors," district police officer Mohammad Hussain said. Initial reports indicate the aircraft were a basic training airplane used by the PAF.