The home secretary, Shabana Mahmood, added in a post on X: "Following new information and evidence, they are now leading on the investigation into the horrific murder of Ann Widdecombe.
"The police are pursuing multiple lines of enquiry to establish the motivation for this attack. I will be updating the House further this afternoon."
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Ann Widdecombe death: counter-terrorism police take over investigation: Officers say decision made after ‘new information and evidence has come to light’ »