New Delhi, March 5 -- The Canadian and Australian prime ministers on Thursday called for a de-escalation of the Iran war but added the Iranians must never gain a nuclear weapon.

Canada's Mark Carney and his Australian counterpart Anthony Albanese discussed the war during their meeting in Australia's capital, Canberra.

The meeting came after news that a U.S. submarine sank an Iranian warship in the Indian Ocean and Turkey said NATO defenses intercepted a ballistic missile launched from Iran before it entered Turkey's airspace.

"We want to see a broader de-escalation of these hostilities with a broader group of countries than just the direct belligerents involved," Carney said at a press conference with Albanese.

"We stress that that ca...