Oil prices gained on Tuesday as the resumption of ​fighting between the U.S. and Iran ‌in the Middle East renewed fears of supply disruptions from the world’s key crude-producing region. Brent crude futures were up US$1.

Iran strikes U.S. targets, sending oil prices through the roof and raising concerns about gas and diesel costs in Canada. John Vennavally-Rao reports.

The first attacks in a month jolted energy markets. The average U.S. gasoline price remained 37 percent higher since the war began.

A month-long ceasefire between the U.S. and Iran could be ending after the countries exchanged attacks, sparking fear of a renewed conflict and causing oil prices to spike.