Fiery Explosion Erupts on Ship at Major Global Port in Dubai

Container ships dock at the Dubai Port in the Jebel Ali Free Zone about 40 kilometers (25 miles) south of Dubai, United Arab Emirates, on Jan. 3, 2010. Kamran Jebreili/AP Photo

DUBAI, United Arab Emirates—A fiery explosion erupted on a container ship anchored in Dubai at one of the world’s largest ports late Wednesday, authorities said, sending tremors across the commercial hub of the United Arab Emirates.

There were no immediate reports of casualties, and it was unclear what triggered the blast.