LONDON, April 2 Reuters Global oil benchmark Brent rose above 88 a barrel for the first time since October on Tuesday as oil supplies faced fresh threats with more Ukranian attacks on Russian energy facilities and escalating conflict in the Middle East.

Brent futures for June delivery were up 1.29, or nearly 1.5, at 88.71 a barrel by 0912 GMT. U.S. West Texas Intermediate WTI crude futures for May rose 1.30, or about 1.6, to 85.01.

Ukraine struck one of Russia39;s biggest refineries on Tuesday with a drone 1,300 km 800 miles from the front lines in Ukraine, which Russia initially said it had repelled.

A Reuters analysis of images showing the impact of the attack suggest it hit the refinery39;s primary oil refining unit, which accounts for about half of the plant39;s total annual production capacity of 340,000 barrels per day bpd.

Russia, among the top three global oil producers and one of the largest exporters of oil products, has been contending with a spate of ukrainian attacks on its oil refineries and has mounted its own attacks on Ukrainian energy infrastructure.

In the Middle East, meanwhile, Iranian President Ebrahim Raisi said Iran will retaliate for a suspected Israeli air strike against its consulate in the Syrian capital Damascus.

Israel39;s has been at war against Iranbacked Palestinian group Hamas in Gaza, but direct Iranian involvement could spark a regionwide conflict with plausible impact on oil supply, said Tamas Varga at oil broker PVM.

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