India, July 20 -- The United States launched more airstrikes at Iran on Sunday in response to the killing of US troops, and Iran fired missiles toward Jordan that risked widening the conflict into neighbouring Israel.

Step by step, the US and Iran have returned closer to all-out war as last month's interim deal meant to permanently end the fighting has crumbled and shipping traffic in the Strait of Hormuz has largely stalled.

Both sides have targeted civilian infrastructure relied on by millions of people.

The US military said the latest strikes targeted Iran's paramilitary Revolutionary Guard to retaliate for Friday's killing of troops in Jordan. The campaign, now in its second week, has seen the US target bridges, water desalination ...