California: Four people were killed on Sunday morning when two small planes collided in mid-air about 15 miles (24 km) southeast of downtown San Diego, authorities said.
The crash occurred at around 11 a.m. when a twin-engine Sabreliner collided with a single-engine Cessna 172 over an area located two miles (3 km) from Brown Field Airport in San Diego county, said a spokesman for the San Diego Fire-Rescue Department.