Tehran, April 8 -- US President Donald Trump termed it a "big day for world peace" after announcing a two-week ceasefire between the United States and Iran, just an hour before his escalation deadline expired.

This comes after 39 days of war when the US and Israel launched coordinated attacks on Iran, and hours after Trump threatened "a whole civilisation will die tonight" if Iran did not reopen the Strait of Hormuz.

Pakistan Prime Minister Shehbaz Sharif, who has been mediating negotiations, said early on Wednesday that the ceasefire was effective immediately.

The temporary truce hinges on Iran reopening the strategically vital Strait of Hormuz, paving the way for negotiations based on a broader peace framework proposed by Tehran.

Iran...