The market is pricing in about a month of action in the Middle East, but experts warn triple-digit oil prices could become reality if war lasts even longer.

It is unclear who is governing Iran, the fourth-largest oil producer in OPEC, after U.S.-Israel strikes killed Ayatollah Ali Khamenei.

Brent crude rose by 13% during early trading and stock markets came under pressure as US-Israeli strikes on Iran raised fears of disruption