Most Gulf stock markets fell at the start of Wednesday's trading, as investors assessed the repercussions of the escalating military confrontation between the United States and Iran, after US forces launched strikes on Iranian military targets for the eleventh consecutive night.

US forces said the latest strikes began late Tuesday evening and lasted about 75 minutes, shortly after the Kuwaiti army announced it had intercepted Iranian drones.

In Saudi Arabia, the main TASI index bucked the general trend and rose about 0.2 percent, supported by a 1.1 percent rise in Saudi National Bank shares.

Brent crude futures rose 2 percent to $92.85 per barrel, hitting their highest level since June 11, amid growing concerns over energy supply security.

In the UAE, the Dubai index fell 0.3 percent, pressured by a 1.1 percent drop in Emirates NBD shares, while the Abu Dhabi index declined 0.2 percent.

In Qatar, the main index fell 0.2 percent, affected by a 0.6 percent drop in Qatar Islamic Bank shares.