An Iranian-owned oil tanker has been attacked in the Red Sea off the coast of Saudi Arabia, Iran's foreign ministry told state TV.
The ministry said the tanker Sabiti had been hit twice, causing some damage.
Earlier Iran's national oil company (NIOC) said two explosions on the vessel were caused "likely by missiles".
But it dismissed earlier reports quoting it as saying the missiles were likely to have come from Saudi Arabia.
Saudi Arabia will allow women to drive from Sunday (June 24), ending the world's only ban on female motorists.
Overturning the decades-long ban is part of Crown Prince Mohammed bin Salman's reform drive to modernise the conservative petrostate.
Potentially thousands of female drivers are set to take the wheel on Sunday, a long-awaited rite of passage for women in the kingdom that many say could usher in a new era of social mobility.
Saudi Arabia's official team plane caught fire in midair as they traveled to their World Cup match on Wednesday.
The Green Falcons, who fell to a 5-0 defeat at the hands of hosts Russia on the opening day of the World Cup, were on their way to Rostov in preparation for their second Group A match when the incident happened.
Flames were seen from the engine as the Russian Airlines Airbus as they flew in to take on Uruguay on Wednesday.