An unidentified foreign investigator inspects debris washed ashore on the beach from the fire-damaged container ship MV X-Press Pearl in Kapungoda, on the out skirts of Colombo, Sri Lanka, Friday, June 4, 2021. .(AP Photo/Eranga Jayawardena)

Fire-damaged container ship MV X-Press Pearl is seen partially sunk where it is anchored off Colombo port at Kapungoda, Sri Lanka, Friday, June 4, 2021.(AP Photo/Eranga Jayawardena)

Fire-damaged container ship MV X-Press Pearl is seen partially sunk where it is anchored off Colombo port at Kapungoda, Sri Lanka, Friday, June 4, 2021. The Singapore-flagged ship started sinking Wednesday, a day after authorities extinguished a fire that raged on the vessel for 12 days. (AP Photo/Eranga Jayawardena)

Unidentified foreign investigators inspect debris washed ashore on the beach from the fire-damaged container ship MV X-Press Pearl in Kapungoda, on the out skirts of Colombo, Sri Lanka, Friday, June 4, 2021. Authorities were trying to head off a potential environmental disaster as the Singapore flagged ship that had been carrying chemicals was sinking off of the country's main port. (AP Photo/Eranga Jayawardena)

Unidentified foreign investigators inspect debris washed ashore on the beach from the fire-damaged container ship MV X-Press Pearl in Kapungoda, on the out skirts of Colombo, Sri Lanka, Friday, June 4, 2021. Authorities were trying to head off a potential environmental disaster as the Singapore flagged ship that had been carrying chemicals was sinking off of the country's main port. (AP Photo/Eranga Jayawardena)

Sri Lankan man, Kindston Jayalath fishes on a polluted beach filled with plastic pellets washed ashore from the fire-damaged container ship MV X-Press Pearl in Kapungoda, on the out skirts of Colombo, Sri Lanka, Friday, June 4, 2021. Authorities were trying to head off a potential environmental disaster as the Singapore flagged ship that had been carrying chemicals was sinking off of the country's main port. (AP Photo/Eranga Jayawardena)

Sacks containing plastic pellets that got washed ashore from the fire-damaged container ship MV X-Press Pearl are stacked on the beach in Kapungoda, on the out skirts of Colombo, Sri Lanka, Friday, June 4, 2021. Authorities were trying to head off a potential environmental disaster as the Singapore flagged ship that had been carrying chemicals was sinking off of the country's main port. (AP Photo/Eranga Jayawardena)

Sri Lankan man, Kindston Jayalath fishes on a polluted beach filled with plastic pellets washed ashore from the fire-damaged container ship MV X-Press Pearl in Kapungoda, on the out skirts of Colombo, Sri Lanka, Friday, June 4, 2021. Authorities were trying to head off a potential environmental disaster as the Singapore flagged ship that had been carrying chemicals was sinking off of the country's main port. (AP Photo/Eranga Jayawardena)

An unidentified foreign investigator inspects debris washed ashore on the beach from the fire-damaged container ship MV X-Press Pearl in Kapungoda, on the out skirts of Colombo, Sri Lanka, Friday, June 4, 2021. Authorities were trying to head off a potential environmental disaster as the Singapore flagged ship that had been carrying chemicals was sinking off of the country's main port. (AP Photo/Eranga Jayawardena)

The Singapore-registered container ship MV X-Press Pearl partially sinks after burning for almost two weeks, just outside Colombo's harbour on June 4, 2021, as foreign experts have been deployed to help Sri Lanka contain a potential oil leak from the burnt-out container ship. (Photo by LAKRUWAN WANNIARACHCHI / AFP)

The Singapore-registered container ship MV X-Press Pearl partially sinks after burning for almost two weeks, just outside Colombo's harbour on June 4, 2021, as foreign experts have been deployed to help Sri Lanka contain a potential oil leak from the burnt-out container ship. (Photo by LAKRUWAN WANNIARACHCHI / AFP)

The Singapore-registered container ship MV X-Press Pearl partially sinks after burning for almost two weeks, just outside Colombo's harbour on June 4, 2021, as foreign experts have been deployed to help Sri Lanka contain a potential oil leak from the burnt-out container ship. (Photo by LAKRUWAN WANNIARACHCHI / AFP)

A ship (R) approaches near the Singapore-registered container ship MV X-Press Pearl that partially sunk after burning for almost two weeks, just outside Colombo's harbour on June 4, 2021, as foreign experts have been deployed to help Sri Lanka contain a potential oil leak from the burnt-out container ship. (Photo by LAKRUWAN WANNIARACHCHI / AFP)

A ship (L) approaches near the Singapore-registered container ship MV X-Press Pearl that partially sunk after burning for almost two weeks, just outside Colombo's harbour on June 4, 2021, as foreign experts have been deployed to help Sri Lanka contain a potential oil leak from the burnt-out container ship. (Photo by LAKRUWAN WANNIARACHCHI / AFP)

An Indian Coast Guard ship (L) approaches near the Singapore-registered container ship MV X-Press Pearl that partially sunk after burning for almost two weeks, just outside Colombo's harbour on June 4, 2021, as foreign experts have been deployed to help Sri Lanka contain a potential oil leak from the burnt-out container ship. (Photo by LAKRUWAN WANNIARACHCHI / AFP)

Plastic pellets that got washed ashore from fire-damaged container ship MV X-Press Pearl is collected by the naval officers and kept in sacks on the beach at Kapungoda, outskirts of Colombo, Sri Lanka, Thursday, June 3, 2021. Authorities were trying to head off a potential environmental disaster Thursday as the Singapore-flagged ship that had been carrying chemicals was sinking off of the country's main port. (AP Photo/Eranga Jayawardena)

Plastic pellets that got washed ashore from fire-damaged container ship MV X-Press Pearl is collected by the naval officers and kept in sacks on the beach at Kapungoda, outskirts of Colombo, Sri Lanka, Thursday, June 3, 2021. Authorities were trying to head off a potential environmental disaster Thursday as the Singapore-flagged ship that had been carrying chemicals was sinking off of the country's main port. (AP Photo/Eranga Jayawardena), APTOPIX

Officials from Sri Lanka's environment authority inspect the beach for oil spills as plastic pellets that got washed ashore from fire-damaged container ship MV X-Press Pearl is collected by the naval officers and kept in sacks on the beach at Kapungoda, outskirts of Colombo, Sri Lanka, Thursday, June 3, 2021. Authorities were trying to head off a potential environmental disaster Thursday as the Singapore-flagged ship that had been carrying chemicals was sinking off of the country's main port. (AP Photo/Eranga Jayawardena)

Plastic pellets that got washed ashore from fire-damaged container ship MV X-Press Pearl is collected by the naval officers and kept in sacks on the beach at Kapungoda, outskirts of Colombo, Sri Lanka, Thursday, June 3, 2021. Authorities were trying to head off a potential environmental disaster Thursday as the Singapore-flagged ship that had been carrying chemicals was sinking off of the country's main port. (AP Photo/Eranga Jayawardena)

Chemical foam washed ashore from the burnt Singapore-flagged MV X-Press Pearl gathers on the beach at Kapungoda, on the outskirts of Colombo, Sri Lanka, Wednesday, June 2, 2021. Authorities in Sri Lanka were trying to head off a potential environmental disaster Thursday as the fire-damaged container ship that had been carrying chemicals was sinking off of the country's main port. The ship's operators, X-Press Feeders, say the fire destroyed most of the ship's cargo, which included 25 tons of nitric acid and other chemicals. But there are fears that remaining chemicals as well as hundreds of tons of oil from the vessel???s fuel tanks could leak into the sea. (AP Photo/Eranga Jayawardena)

Chemical foam washed ashore from the burnt Singapore-flagged MV X-Press Pearl gathers on the beach at Kapungoda, on the outskirts of Colombo, Sri Lanka, Wednesday, June 2, 2021. Authorities in Sri Lanka were trying to head off a potential environmental disaster Thursday as the fire-damaged container ship that had been carrying chemicals was sinking off of the country's main port. The ship's operators, X-Press Feeders, say the fire destroyed most of the ship's cargo, which included 25 tons of nitric acid and other chemicals. But there are fears that remaining chemicals as well as hundreds of tons of oil from the vessel???s fuel tanks could leak into the sea. (AP Photo/Eranga Jayawardena)