A Pakistan Air Force fighter jet crashed in the most populous province of Punjab on Thursday, killing both pilots.

The PAF plane crashed in fields in Mandi Bahauddin district, 200 km from provincial capital Lahore, police officer Hanif Butt said.

He said both pilots, including a Wing Commander, were killed instantly.

The jet had taken off from Sargodha airbase for a routine training flight. The cause of the crash could not immediately be ascertained.

A PAF team reached the crash site and launched an investigation.