Two US service members have been killed and an additional four were wounded while assisting Afghan security forces in Kunduz, Afghanistan. The names of the service members have not been released yet, pending the notification of their families.  The group was reportedly engaged in heavy fighting with the Taliban. Four Afghan special forces soldiers were also reportedly killed in the fight.

Air strikes were called in to support the operation and protect the troops. There are reports that the air strikes caused heavy civilian casualties and the claims are currently being investigated.

In a separate statement, the NATO-led Resolute Support mission confirmed that air strikes had been carried out in Kunduz to defend “friendly forces under fire”.

“All civilian casualty claims will be investigated,” it said.