In this Jan. 10, 2018 photo provided by China's Ministry of Transport, a firefighting boat works to put on a blaze on the oil tanker Sanchi in the East China Sea off the eastern coast of China. Rescue ships looking for missing crew members from the oil tanker Sanchi have expanded their search area to more than 2,600 square kilometers (1,000 square miles) as Chinese state television reported Friday that maritime authorities still have not found any survivors, or put out the blaze onboard the ship. (China's Ministry of Transport via AP)