The search is on for 10 seafarers missing after their vessel sank following a collision off Shanghai.

CGTN reported that a cargoship named as Shun Qiang 2 went down at Wusongkou anchorage in the Yangtze River overnight on Sunday.

Three crew were rescued by Shanghai marine authority personnel.

The vessel was carrying 3,000 tons of rolled steel from Nanjing to Guangzhou.