The Syria branch of the Islamic State in Iraq and the Levant (ISIL) has put fighting on hold in Syria while it brings in weapons seized inside neighbouring Iraq, a monitoring group that tracks the violence said on Friday.

ISIL, a Sunni Islamist splinter of al Qaeda, has battled rival rebel groups in Syria for months and clashed occasionally with President Bashar al-Assad’s forces.

But its fighters appear to hold back in Syria this week, especially in their eastern stronghold near the Iraqi border, while their Iraqi wing was making rapid military gains. […]