ISIS numbers fall to lowest levels in two years after wave of military offensives in Iraq and Syria

He said: ‘Working by, with and through local partners, we have taken back 40 per cent of the territory that Daesh controlled a year ago in Iraq and 10 percent in Syria.

‘In fact, we assess Daesh’s numbers are the lowest they’ve been since we began monitoring their manpower in 2014,’ he added, using one of three terms US officials use interchangeably to refer to ISIS.