British counterterrorism police officers are now leading the investigation into the suspected murder of former British government minister Ann Widdecombe, interior minister Shabana Mahmood said on Monday. Widdecombe, 78, was found dead at her home in rural southwest England on Thursday with what police described as “serious injuries”. Officers arrested a white British man in Rotherham, northern England, late on Saturday. “Following new information and evidence, they (counterterrorism police)...