April 24, 2014 5:01 PM EDT

Three American medical staff workers have dead and two more people were injured after an Afghanistan security officer shot them at a Christian nonprofit hospital in the capital of Kabul. The gunman was also injured in the attack, though conflicting reports describe the events that led up to the injury. The attacker’s identity also has yet to be revealed.

This is yet another in a string of attacks against non-Afghanis in the increasingly unstable capital city.

 

 

 

More Must-Read Stories From TIME

Contact us at letters@time.com.

Read More From TIME
You May Also Like
EDIT POST