Driving in Montreal got more expensive over the weekend gas prices inched toward $2 per litre mark as the war in the Middle East enters its fourth week.

According to the gas price tracking GasBuddy, the average price of a litre of petrol in Montreal was $1.90 as of Monday. Some Montrealers reported shelling out as high $2.34 Sunday for a litre of gas, on Essence Montreal.

Diesel prices were considerably higher at with drivers reporting spending up to $2.55 a litre.

The average price across Canada was at $1.72 Sunday, according to CAA. The average for the previous week was eight cents cheaper at $1.31 and 40 cents cheaper last month at $1.31.

The global price for oil and gas has been steadily climbing since the United States and Israel launched missile attacks against Iran.

In response, Iran has blocked and attacked some oil shipments along the Strait of Hormuz, a passageway that about 20 per cent of the world’s oil usually passes through.

The price of Brent crude, the international standard, has zigzagged from roughly $70 per barrel before the Iran war began to as high as $119.50 last week. Last Friday, the price for Brent crude closed at $112.19 per barrel while benchmark U.S. crude closed at $98.32 per barrel.