A fighter jet has crashed in northwest Iran and killed two pilots and a civilian, the country’s state-run news agency reported Monday.

IRNA said the F-5 fighter crashed into a stadium in a residential area of Tabriz and two pilots and a civilian were killed.

Authorities are investigating the incident, the report said. Iran’s air force has an assortment of U.S.-made military aircraft purchased before the 1979 Islamic Revolution.

It also has Russian-made MiG and Sukhoi planes. Decades of Western sanctions have made it hard to maintain the aging fleet.

This is a developing story…..