On the evening of 6 January 2018, at about 8 pm China time CST, the tanker Sanchi, which was carrying a full cargo of 136,000 metric tons (960,000 barrels) of South Pars natural-gas condensate for South Korean petrochemicals company Hanwha Total, on its north bound passage from Asaluyeh port, Iran, to Daesan, in South Korea, collided with the Hong Kong-flagged cargo ship in the East China Sea, 160 nautical miles off Shanghai, China, and caught fire.