The extremist Islamic State (IS) on Sunday seized an army position in the northeast Syrian city of Hasakeh, amid a major escalation in the jihadist offensive against regime bases, a monitor said.

On another front in Syria’s complex civil war, rebels seeking President Bashar al-Assad’s ouster captured a weapons depot in Hama province, said the Syrian Observatory for Human Rights.

Just south of Hasake city, “IS jihadists took over the army Regiment 121 at Maylabiyeh, after fierce clashes with regime troops,” said the Britain-based Observatory, adding that the battle lasted three days. […]