Sending arms to Kiev would be big gamble for U.S

MOSCOW/KIEV (Reuters) - By considering giving weapons to Kiev, the United States could be contemplating a risky venture which advocates say would help end the conflict in Ukraine but opponents warn might fan the flames of war.

A senior U.S. administration official said on Monday no decision had been made on whether to send arms to help Ukrainian forces fight Russia-backed separatists in eastern Ukraine.