A giant container ship with 52 kilograms (114 lb) of hazardous materials on board has been burning off the coast of British Columbia, Canada. The blaze reportedly started when the HAZMAT cargo caught fire.

The fire broke out on the MV Zim Kingston, a Malta-flagged container ship, on Saturday morning, prompting a partial evacuation of the vessel.

Here are a couple photos of the containers aboard MV Zim Kingston on fire. Courtesy of Canadian Coast Guard.

As of Saturday evening, the fire spread to at least six containers, CHECK News reported, citing the Canadian Coast Guard. Two of the containers damaged by the blaze reportedly contain potassium amylxanthate, a hazardous substance commonly used in mining. The chemical can be harmful if inhaled, and can cause “severe skin burns and eye damage.” Its release could also endanger marine life “with long lasting effects,” according to the classification by the US government’s biomedical library.

The Coast Guard has set up a one-mile emergency zone around the vessel, noting that it has been “expelling toxic gas.” Footage has emerged online showing the ship emitting fumes while being ravaged by fire.

Visible ?aboard the #zimkingston Not good.

As of 7:30pm local time, 16 crew members were evacuated, while five remained on board, the Joint Rescue Coordination Centre in Victoria reported, as cited by CHECK News. There have been no reports of injuries.

The 260-meter-long ship was sailing from the South Korean port of Busan to Vancouver, Canada, but was forced to put its travel plans on hold after rough seas knocked around 40 containers off the ship, west of the Strait of Juan de Fuca on Thursday.

#UPDATE: Imagery captured of located containers from U.S. Coast Guard Air Station Port Angeles helicopter.

The carrier was at anchor in Constance Bank near the provincial capital of Victoria when the fire erupted.

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