A salvage team is expected to arrive early next week at the scene of a cargo ship that was carrying about 3,000 vehicles to Mexico when it caught fire in waters off Alaska’s Aleutian island chain.

The U.S. Coast Guard said it would allow the fire to burn because the cars’ lithium-ion batteries could explode. The ship’s crew escaped on a lifeboat.

Midas caught fire Tuesday roughly 300 miles from Adak, Alaska. The ship was carrying thousands of vehicles when it erupted.