The Conservative leader is expected to set out a return to core conservative principles at the party’s annual conference.

Exclusive: Findings will bolster those in No 10 who want to negotiate on re-entry but some senior figures remain wary

Sentenced to 15 years in prison for high treason, Anastasiia Yasagashvili collaborated with Russian forces after her village was occupied, before becoming a double agent. The investigative case file she provided to Le Monde reveals the journey of a young woman who had lost her way, for whom the war became a playground that fueled her love of adventure.

Exclusive: Findings will bolster those in No 10 who want to negotiate on re-entry but some senior figures remain wary