Two Pennsylvania State Police troopers were injured in the crash at Carlisle Airport, officials said. It was not immediately clear whether there were any injuries Key points and original sources are listed below.

• Two Pennsylvania State Police troopers were injured in the crash at Carlisle Airport, officials said.S1

• It was not immediately clear whether there were any injuriesS2

• A Pennsylvania State Police helicopter and a small plane collided in mid-air and crashed Wednesday evening with photographs showing the terrifying aftermathS3