Tension escalates after Russia seizes Ukraine naval ships

A helicopter's machine gun is turned toward the sea shore during patrol near Urzuf, south coast of Azov sea, eastern Ukraine, Thursday, Nov. 29, 2018. Ukraine put its military forces on high combat alert and announced martial law this week after Russian border guards fired on and seized three Ukrainian ships in the Black Sea. [Photo: AP/Evgeniy Maloletka]