US President Donald Trump says Washington remains ‘locked and loaded’ while pursuing diplomatic talks with Iran.

The Houthis previously said they struck Saudi oil tankers in the Red Sea days after declaring a blockade of the Bab al-Mandeb Strait.

The escalations intensify the risk of further pressure on global oil supply and prices.

Yemen's Houthis are claiming attacks on Saudi oil tankers in the Red Sea

US President Donald Trump warned Iran would be held responsible for any new Houthi attacks on ships in the Red Sea.