Boris Johnson had to deal with a great deal of booing and heckling from an audience made up of hundreds of campaigners last night.
They are angry at plans to downgrade services at Lewisham Hospital:
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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.