Three Americans, among them one U.S. military servicemember and two contractors, were killed in al Shabaab militia attack on a military base in Kenya exploited by both U.S. and Kenyan forces, the army officials said, referring to Sunday events in Manda Bay Airfield in Lamu county, close to the Somali border.

The military’s Africa Command informed about the deaths and clarified that two other Americans who are working for the U.S. Department of Defense were wounded during the attack

The wounded Americans are currently in stable condition and being evacuated,” Africa Command (AFRICOM) said in a statement.