Malaysia's pursuit of Russian oil to diversify crude supplies challenges Prime Minister Anwar Ibrahim's "friends with all" foreign policy, potentially risking conflict with Western sanctions.

Malaysia’s search for alternative crude supplies is complicating Prime Minister Anwar Ibrahim’s “friends with all” foreign policy, analysts have said, with the country potentially tapping Russian oil despite Western sanctions against Moscow. On Thursday, oil prices rose again after Iran declared the Strait of Hormuz closed, 103 days after the US-Israel war with Iran began on February 28. Washington has signalled it wants sanction waivers over Russian oil to end “as soon as possible”. Economy...