People living in Regina's north end were awoken early this morning by an explosion at Regina's Consumers' Co-operative Refinery main plant that shook homes as far as two kilometres away.

The explosion happened at about 4:45 a.m. CST Tuesday near gate No. 3 on 9th Avenue North near McDonald Street.

Emergency alarm horns were activated and could be heard across the north end of the city for more than 15 minutes.

There's no word yet on what caused the blast, but a fire was still burning at 6 a.m CST.

…