Oil prices jumped almost 3% on Thursday as a week-old air war between Israel and Iran escalated and uncertainty about potential U.S. involvement kept investors on edge.

Deposing Iran’s Supreme Leader Ayatollah Ali Khamenei and his regime may cause a sustained spike in oil prices

Iran is maintaining crude oil supply by loading tankers one at a time and moving floating oil storage much closer to China, two vessel tracking firms told Reuters, as the country seeks to keep a key source of revenue while under attack from Israel.