By Saqib Iqbal Ahmed, Suzanne McGee and Linda PasquiniNEW YORK/GDANSK (Reuters) -Investors were on edge ahead of markets reopening late on Sunday, with risks ranging from heightened prospects of a broad Middle East war to U.

Israeli airstrikes targeting Tehran’s energy infrastructure have escalated the conflict with Iran, igniting major fires, disrupting global oil markets, and heightening fears of a wider regional war.

US and Brent crude prices jumped on fears of supply disruption from the Middle East as Iran has repeatedly threatened to close a key shipping route.