Police are hunting a gang of men after a 17-year-old girl was raped in a secluded area of woodland in Berkshire. She was attacked in woods in Slough near the Jubilee River, after meeting the men earlier in the day.
Detectives believe they were of Asian origin, and are appealing for witnesses to come forward.
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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.