NEW YORK — Oil prices jumped more than 6 percent on Thursday, with both major benchmarks trading at over $100 a barrel as the biggest spike in attacks on shipping since the Iran war began fed worries among traders about further disruptions to already tight supplies. Brent crude futures settled up $6.42, or 6.34 percent, at $107.63 a barrel. U.S. oil topped $100 a barrel for the first time since May as West Texas Intermediate crude futures rose $6.43, or 6.69 percent, to $102.48. Both benchmarks hit their highest since May 19 and recorded their steepest increases in nearly two months. Iran-aligned Houthis seized control of Yemen's port of Mocha on Thursday, posing a further threat to Red Sea traffic, while Gulf traffic remains restricted through the Strait of Hormuz as tanker attacks in the region have intensified in recent days. Attacks from Yemen on Saudi energy facilities introduce a fresh source of market risk, expanding concerns beyond Iran and the Strait of Hormuz, said Simon-Peter Massabni, head of business development at XS.com. The threat is no longer confined to a single choke