Pakistan, July 20 -- Global oil markets faced renewed pressure on Monday as Brent crude prices crossed $90 per barrel amid escalating hostilities between the United States and Iran, raising concerns over disruptions to energy supplies through the strategically important Strait of Hormuz.

Read More: Brent oil rises to highest since February after Saudi Arabia output cut

Brent crude futures increased by $2.09, or 2.37 percent, reaching $90.19 per barrel by 0241 GMT, marking the highest level since June 11. The latest rise extended a strong weekly rally, with Brent gaining 15.9 percent last week, its biggest weekly increase since April.

Meanwhile, US West Texas Intermediate (WTI) crude climbed $1.71, or 2.07 percent, to $84.20 per barrel,...