ES News email The latest headlines in your inbox twice a day Monday - Friday plus breaking news updates Enter your email address Continue Please enter an email address Email address is invalid Fill out this field Email address is invalid You already have an account. Please log in Register with your social account or click here to log in I would like to receive lunchtime headlines Monday - Friday plus breaking news alerts, by email Update newsletter preferences

Theresa May and Donald Trump have agreed that chemical weapons must not go unchallenged as speculation mounts over possible air strikes in Syria.

Mrs May’s Cabinet unanimously backed her warning that Syria’s use of chemical weapons should not be ignored clearing the way for possible military action.

In a phone conversation after the Prime Minister's emergency Cabinet meeting, Mrs May and the US President pledged to work together on the international response.

It comes as a huge US air and naval strike force is reportedly heading for Syria in preparation for possible military action against Bashar Assad's regime.

This blog is paused, but check back soon for all the latest on this news story as it develops…

Live Updates