The Iranian oil tanker Sanchi was carrying nearly 140,000 metric tons of condensate – a highly flammable form of ultralight crude oil – when it sank around 300 nautical miles off the coast of the eastern Chinese city of Shanghai.

Video: Overview of China's efforts to salvage Iranian oil tanker Sanchi
Caption: Flames and smoke from the Iranian oil tanker Sanchi is seen in the East China Sea, on January 15, 2018 in this photo provided by Japan’s 10th Regional Coast Guard - Image courtesy of 10th Regional Coast Guard Headquarters

China made an all-out effort to save the crew on the tanker and put out the fire.

Rescue crews recovered two bodies and the ship's black box.

Related news: Burning oil tanker Sanchi totally sinks: authority (Video)