Oil futures headed higher on Friday, with Brent prices on track to post a gain of more than 9% for the week, as tensions in the oil-rich Middle East continue to flare in the wake of Iran’s missile attack on Israel earlier this week.

Oil prices climbed about 3% Tuesday after the White House warned that Iran is preparing to launch a ballistic missile attack against Israel. Benchmark U.S. crude futures recently traded around $70 a barrel,

Oil prices rose on Friday and settled with their biggest weekly gains in over a year on the mounting threat of a region-wide war in the Middle East, although gains were limited as U.S. President Joe Biden discouraged Israel from targeting Iranian oil facilities.