Key Facts

• The suspect, a 28-year-old white British man from Rotherham, South Yorkshire, was originally arrested on Saturday on suspicion of murder and re-arrested on Monday on suspicion of commission, preparation or instigation of acts of terrorism.
• Ann Widdecombe, 78, a former Conservative minister turned Reform UK spokeswoman, was found dead at her home in Devon on Thursday, having sustained serious injuries, with police believing she was attacked on Wednesday at about 12:30.
• The suspect was seen in CCTV footage appearing to get into a car in Yorkshire just before 08:00 BST on Wednesday morning, hours before the former Conservative minister is thought to have been attacked.
• The investigation into Widdecombe's death was taken over by Counter Terrorism Policing South East (CTPSE) on Monday, after new information came to light, with National Counter Terrorism Policing head Laurence Taylor stating that they were working to establish "the motivation for this attack".
• The suspect is not known to the government's Prevent anti-terror scheme, with Home Secretary Shabana Mahmood confirming this in the House of Commons on Monday and stating that police intended to issue guidance to MPs on safety soon.