Asia-Pacific markets tumbled Monday as investors weighed escalating tensions in the Middle East after the U.S. and Iran threatened to intensify military hostilities.

Asia-Pacific markets tumbled Monday as investors weighed escalating tensions in the Middle East after the U.S. and Iran threatened to intensify military hostilities.

Key indexes in Japan, South Korea and Hong Kong tumble as Iran threatens attacks on energy infrastructure across region.

Stocks slump in Asia and Europe, gold slides and investors brace for higher oil prices after US president’s threat

Asia-Pacific markets rose after a sharp drop in oil prices eased investor concerns, following signs of de-escalation in the Middle East conflict.