According to a 10-page criminal complaint filed in federal court in the US southern district of New York, 18-year-old Emir Balat threw the devices at protesters after they were handed to him by Ibrahim Kayumi, 19. It said both declared allegiance to the Islamic State terror group.

According to a 10-page criminal complaint filed in federal court in the US southern district of New York, 18-year-old Emir Balat threw the devices at protesters after they were handed to him by Ibrahim Kayumi, 19. It said both declared allegiance to the Islamic State terror group.