Philip Hammond says the UK is “very much aware” of Brits becoming involved in the Islamic State militant group.
The Defence Secretary is forced to admit: "I haven’t got a specific measure I can quote."
Defence secretary says parliament could look again at the issue if circumstances "change very significantly".
Six more departments agree to cuts but Defence, Business, Education, Work and Pensions and Transport are yet to settle.
Unquestionably competent, but “a cold fish”, Philip Hammond is emerging as an unlikely contender in the race to become the next Tory leader.
If Osborne refuses to give way in the Spending Review, cabinet ministers may choose to walk out.
The Defence Secretary says civil partnerships make the introduction of equal marriage unnecessary, but he didn't vote for them in 2004.
The Defence Secretary's intervention puts pressure on Clegg's party to keep its pledge to prevent further welfare cuts in this summer's Spending Review.
Defence Secretary forced to clarify that the PM's pledge to protect spending only applies to defence equipment, not the total budget.