The destruction of an NITC suezmax tanker off China looks set to make 2018 one of the worst years in recent memory for oil pollution.

The 164,000-dwt Sanchi (built 2008) collision with the 76,000-dwt CF Crystal (built 2011) 160 miles off Shanghai on Saturday.

It was not immediately clear how much environmental damage had been caused or the volume of oil spilled into the sea.