Police have appealed for witnesses after an elderly woman was murdered in her own home. Neighbours discovered the body of the victim after a taxi driver failed to get an answer when knocking on the front door.
A 50-year-old man has been arrested and is being treated in hospital with self inflicted injuries. Our Senior Correspondent Ronke Philips reports.
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In a wide-ranging Peston on Sunday interview, he said Parliament security needs reviewing and the PM's counter-terror strategy is flawed.
The terror attack carried out by Khalid Masood at Westminster that left four people dead lasted less than two minutes say police.
Two knives were found at the scene in Islington, North London, and the suspects fled on foot before being arrested.