At the heart of the current crisis lies Israel’s fear that Iran is nearing the development of a nuclear weapon — a red line it has long vowed to prevent. Israel’s latest airstrikes reportedly targeted uranium enrichment facilities and military sites suspected of aiding Iran’s nuclear programme.

Israel on Saturday threatened to strike "every target of the ayatollah regime" in Iran, whose president warned of a severe response if the Israeli attacks continue, fuelling fears of an escalating conflict.

NEW YORK (Reuters) -Dual risks kept investors on edge ahead of markets reopening late on Sunday, from heightened prospects of a broad Middle East war to U.S.-wide protests against U.S. President Donald Trump that threatened more domestic chaos.