The US has launched a new strike against a Houthi target in Yemen, according to two defence officials.

The sources confirmed the unilateral strike was conducted from a US Navy ship and targeted a Houthi radar site.

It comes just 24 hours after American and British planes, ships and submarines launched dozens of airstrikes across the country overnight in retaliation against Iran-backed Houthi forces for months of attacks on Red Sea shipping.

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Earlier there were reports “suspicious” small boats had approached merchant ships near Yemen.

The United Kingdom Maritime Trade Operations (UKMTO) said it received a report of two small boats following a vessel for more than an hour.

No weapons were seen, but the “suspicious approach” happened in an area 80 nautical miles southeast of Aden in Yemen, according to the agency.

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