Tehran vowa to respond after USS Spruance fires on Iranian-flagged cargo ship allegedly running strait of Hormuz blockade. Key US politics stories from Sunday 19 April

Crude oil prices surged Sunday, as the U.S. and Iran teetered on the brink of a renewed war after attacks on commercial ships in the Strait of Hormuz.

Tehran vowa to respond after USS Spruance fires on Iranian-flagged cargo ship allegedly running strait of Hormuz blockade. Key US politics stories from Sunday 19 April

Earlier, U.S. President Donald Trump said he would indefinitely extend the ceasefire with Iran, hours before it was due to expire.