VIDEO: Massive explosion at race fuel plant

WINNIPEG, Manitoba - Black plumes of smoke and fireballs exploded in the sky at a warehouse in Winnipeg, Manitoba.

The fire broke out Monday afternoon at Speedway International, a seller of auto racing methanol.

The intense fire kept crews busy for about three hours before they had to back off from the raging flames.

The fire and fumes forced several evacuations and shut down a number of streets.

Officials say no injuries are reported.

Crews were still battling the blaze into the overnight hours.

Click on the media player above to see video of a massive explosion that happened during the fire.