The majority of the British public still oppose airstrikes against Islamic State militants in Iraq and Syria, according to a poll.
Research by ComRes for the Independent found 35% of people thought the UK should take the action, compared to 50% who disagreed.
The idea of committing ground troops is even less popular, with just 20% in favour and 69% opposed.
The findings emerged after David Cameron again refused completely to rule out joining an international air campaign against IS.
Some 61% supported taking away the passports and citizenship of Britons suspected of joining the extremist group.
ComRes interviewed 1,001 adults by telephone between August 29 and 31. Data were weighted to represent the population and by past vote recall.
The PM wants to confiscate passports. But in Cardiff they want to solve extremism at it's roots - they just can't get the help to do it.
David Cameron has unveiled a series of new measures to combat the threat of terrorism.
Rumours suggesting London's Tube network will be targeted in a terrorist attack on Monday are "completely untrue", police say.