President Obama and King Abdullah of Jordan met at the Nato summit in Wales

Jordan is offering its western-trained special forces as “boots on the ground” for an international military campaign against Islamic State (Isis) extremists inside Syria, The Times has learned.

The Jordanian monarch, King Abdullah, made the offer in a series of bilateral meetings at the Nato summit in Wales on September 6, during which he met both President Obama and David Cameron.

Sources familiar with King Abdullah’s views said that he appeared deeply frustrated by the pace of international coalition building against Isis. “King Abdullah was furious at the constraints being placed on action,” said one of the sources.

The source said that the king sketched out a scenario in which Jordan might be used as the base for a military push northwards by anti-Isis rebel