Iranian President Hassan Rouhani has called on countries across the Middle East to unite against the United States during an address at an Army Day parade in Tehran.

The number of suspected foreign ISIS fighters being detained by US-backed forces in Syria has now surpassed 2,000, with a small number claiming to be US citizens, three US officials told CNN.

A Bosnian national suspected of fighting for Islamic State in Syria has been transferred to Bosnia and put in detention, the Balkan country’s prosecutor’s office said on Saturday.