Hua also said it is "irresponsible" to blame Beijing for regional tensions after US Secretary of State Rex Tillerson called on China to use the "powerful tool" of oil to persuade Pyongyang to reconsider its "current path"In the longest flight for a DPRK missile, it reached an altitude of about 770 kilometers and flew for about 19 minutes over a distance of about 3,700 km, according to the Republic of Korea's military — far enough to reach the US territory of Guam, Reuters reported凯发体育AG旗舰厅网站"However, whatever China does will not fundamentally solve the issue," he saidThe initiators of trouble should end it," she said"Our sincerity and efforts sho凯发体育AG旗舰厅网站uld not be doubted," she saidThe DPRK reportedly fired a missile over Japan's northern island Hokkaido and into the Pacific Ocean on Friday, which came only days after the United Nations Security Council voted in favor of a resolution toughening sanctions on the DPRK