New Delhi, June 18 -- : Indian Coast Guard is on alert as an oil spill from the Haldia-bound Portuguese flag container ship was reported on June 16 about 450 km southeast of Chennai, the Ministry of Defence reported on Friday.

The investigation has revealed that a Portuguese flag container ship MV Devon, on passage from Colombo to Haldia, West Bengal, developed an underwater crack in the fuel tank containing about 120 KL of very low sulphur fuel oil, resulting in spillage of about 10 KL, before any preventive action was taken, the ministry added.

The remaining oil in the tank was transferred to another tank by the ship's crew, the ministry reported.

Manned by a crew of 17, the vessel is carrying 10,795 tonnes of general cargo in 382 cont...