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.

Israel’s sudden attack on Iran has threatened to disrupt oil supplies in the Middle East, placing the Opec+ cartel’s recent decision to increase crude production into the spotlight.

The sky over Tehran was engulfed in smoke and flame on Sunday after the city’s main gas depot was struck during Israel’s latest wave of attacks on Iran.