Rocket fire targeted a U.S. military base in Syria's eastern province of Deir al-Zour on Monday evening, state news agency SANA reported, Trend reports citing Xinhua.
The targeted base is located in the al-Omar oil field in the eastern countryside of Deir al-Zour, SANA said, without providing further details.
Meanwhile, the pro-rebel Syrian Observatory for Human Rights said the attack caused damage and burned cars in the base, without any mention of casualties.
The Britain-based watchdog noted that pro-Iran fighters were behind the rocket fire.