FILE - Workers gather during a ceremony to start construction of the China-Russia East Route natural gas pipeline, also known as the Power of Siberia trunk pipeline, in Heihe in northeastern China’s Heilongjiang Province on June 29, 2015. China’s support for Russia through oil and gas purchases is irking Washington and raising the risk of U.S. retaliation, foreign observers say, though they see no sign Beijing is helping Moscow evade sanctions over its war on Ukraine. Chinatopix via AP, File
Joe McDonald AP Business Writer BEIJING (AP) — China’s support for Russia through oil and gas purchases is irking Washington and raising the risk of…