India’s coast guard is fighting a massive blaze aboard a container ship that’s threatening to sink about 15 nautical miles off the coast of Kerala as the search continues for four missing crew members.

An explosion and fire occurred aboard MV Wan Hai 503 off Kerala's coast, leaving four missing and five injured. The Chinese Embassy thanked Indian authorities for their swift rescue efforts. The vessel was en route from Colombo to Nhava Sheva when the incident took place.

The major fire broke out on board the Singapore-flagged ship after a container explosion. Eighteen crew members were rescued, while four are still missing.