Traders jittery over worsening disruption to energy flows in the Red Sea and fears of further escalation in the U.S.-Israeli war with Iran.

Brent crude futures rose 0.55 per cent, or 50 US cents, to US$91.51. Read more at straitstimes.com. Read more at straitstimes.com.

July 23 : Oil prices rose more than 1.5 per cent to their highest in more than six weeks on Thursday, with the United States launching a new round of strikes on Iran and Yemen's…