The Nato summit in Wales this September is "the perfect place" for the UK to urge allied forces to step up their response to military aggression from Russia, a member of the defence committee said.
Labour's Gisela Stuart admitted "state on state action was unlikely" but urged Nato to be ready to respond to threats like cyber attacks, "which may be coming from countries like Russia."
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Unsurprisingly the birth of the Duke and Duchess of Cambridge's daughter has dominated Sunday's front pages and taken up many column inches.