An investigation has been launched after Saudi Arabia 's foreign affairs ministry claimed two Saudi oil tankers , a Norwegian - registered ship and a UAE - flagged tanker were " struck by an unknown object " outside Fujairah port , near the Strait of Hormuz . Saudi Arabia claimed the attack was " sabotage " but dismissed reports of " fires and explosions " . fires have erupted in the waters around the Strait , which Iran threatened to close after the US ended sanctions negotiations .
An investigation has been launched after Saudi Arabia's foreign affairs ministry claimed two Saudi oil tankers, a Norwegian-registered ship and a UAE-flagged vessel were "struck by an unknown object" outside Fujairah port, near the Strait of Hormuz. Saudi Arabia claimed the attack was "sabotage" but dismissed reports of "fires and explosions". Tensions have risen in the region around the Strait, which Iran threatened to close after the US ended sanctions waivers.