Oil prices resumed their upward climb and U.S. futures were lower early Tuesday after Israel’s military issued an evacuation warning to 330,000 people in Iran’s capital Tehran. Asian shares were mixed.

Oil prices have surged while global shares are lower after Israel struck Iranian nuclear and military targets in an attack that raised the risk of all-out war between them

Oil prices surged, stocks dropped and investors flocked to safe havens like gold on Friday after tensions between Israel and Iran escalated, stoking concerns of a broader conflict in the region.