May will hold an unscheduled meeting of her cabinet on Thursday, which will involve senior ministers, her spokesman told media. While the agenda of the meeting has not been made public, reports suggest May is going to seek approval for military action in Syria.

Sky News reported that May is expected to ask the ministers to greenlight the UK's participation in an attack spearheaded by France and the US, without consulting the Parliament. Should the approval be granted, the operation could be launched "within hours."

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