Ukraine Monitoring mission

American killed in Ukraine identified

He is Joseph Stone, 36, according to the Organization for Security and Cooperation in Europe's Special Monitoring Mission. There was no further detail released about Stone.

It is the first time a member of an SMM patrol has been killed while on duty.

Stone died and two other monitors were injured on Sunday after an explosion damaged a mission vehicle near Pryshyb in eastern Ukraine. A mine might have triggered the blast.