WATCH: Raab and Tugendhat share their dismay at Trump’s abandonment of the Kurds

“Does he know of any policy decision by any ally which has so undermined our security partnership and empowered our enemies?” “No…”

Alicia Kearns: Ten actions we can and should take to help the Kurds

The UK’s role is limited, as we will not and cannot put our own people into this theatre – but we must do what we can.

Garvan Walshe: Erdogan’s Kurdish invasion will be a disaster

Turkey appears to assume that their opponents will flee. But if they’ve nowhere to go, they’ll have no alternative but to fight.

Bob Seely: In the Gulf, we are paying the price for starving defence of funding for so long

As well as a response to the immediate crisis, we need to start planning ahead properly and routinely.

Bob Seely: Perhaps the first war in which hospitals are the primary target. What I saw and heard on Syria’s border.

The doctors’ discussion comes after a long day’s training with a British trauma surgeon who teaches a Hostile Environment Surgical Training course.

Syria. MPs to argue about the stable door after the horse has bolted – or, rather, is back inside.

The Prime Minister faces a difficult afternoon – but will be aided by the unwillingess of Tory backbenchers to line up with Jeremy Corbyn.

WATCH: Cable – It’s “very important for the Prime Minister to build a consensus” on Syria, “which she hasn’t done”

The Liberal Democrat Leader warns that May could come to regret not holding a Commons vote if the operation goes “very badly pear-shaped”.

WATCH: Lidington – “We are neither shutting our eyes nor holding our noses” to Assad’s other war crimes

As well as punishing the use of chemical weapons, “we are seeking to hold Assad to account at the UN Security Council…despite the fact that he is protected by Russia”.

WATCH: Thornberry – “It cannot be Donald Trump and a couple of allies deciding unilaterally” on Syria

“We have been here before, when we have not had clear evidence about weapons of mass destruction.”

WATCH: Johnson – “This was the right thing to do – to deter the use of chemical weapons not just by Assad but around the world”

“People around the world are looking now and saying ‘finally, someone stood up against that’, and the world said ‘enough’ to the use of such weapons.”

Our survey. Tory members support military action against Assad – up to a point

Three in four support some kind of action. However, three in five appear unwilling to risk members of our armed forces losing their lives.

May’s gambit. To blame Assad not for one attack, but for “a persistent pattern of behaviour”.

She cited the attack in Salisbury: “We cannot allow the use of chemical weapons to become normalised….in Syria, on the streets of the UK…

Baroness Helic and Chloe Dalton: The victims of sexual violence in war have no #MeToo hashtag to highlight their story

The UK could set a lead by announcing that it will dedicate a fixed or minimum percentage of the aid budget to fighting sexual and gender based violence.

If there is a Commons vote on Syria, the willingness of Labour rebels to support action could make all the difference

In 2013, Conservative rebels joined with Labour to sink Cameron’s plan. Might the reverse happen five years later?

Snap Syria Survey. Should Britain join military action against Assad?

And: should the Government have the power to do so without a preceding Commons vote?