Cash points dispensing pounds and euros are being installed at dozens of Tube stations. The cash points will appear at 70 Underground stations, including major interchanges such as Waterloo, London Bridge. Victoria and King's Cross/St Pancras.
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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.