Kabul  - Insurgents fired on both Afghan and Pakistan forces, simultaneously, late Thursday, officials said Friday.

According to a press release from International Security Assistance Forces (ISAF), Afghan order police and a Pakistani military unit each reported receiving indirect fire at about 1600 GMT Thursday.

"ISAF forces tracked the fire to two points within Afghanistan and returned fire with artillery and one GBU-13 bomb dropped from an F-15 aircraft." an ISAF press release said.

As a result of the firefight, four Afghan border police officers and eight Pakistani military members were wounded, ISAF officials said. (dpa)