By Saqib Iqbal Ahmed, Suzanne McGee and Linda Pasquini NEW 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.

The chancellor said nothing was "off the table" in protecting people from the impact of higher oil prices.

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.