TIKRIT, Iraq (Reuters) - Two Katyusha rockets fell inside Iraq’s Balad air base, 80 km (50 miles) north of Baghdad, which houses U.S. forces on Saturday but caused no casualties, two security sources told Reuters.

Reporting by Ghazwan Jabouri; Writing by Ahmed Aboulenein; Editing by Maha El Dahan Our Standards: The Thomson Reuters Trust Principles.