The Labour leader Ed Miliband has denied claims he's being too slow to appoint a candidate for the next race to be London Mayor. ITV London news has learned that some party members are frustrated that the contest is still wide open, believing it could have an impact on Labour's chances.
Our political Correspondent Simon Harris reports.
More top news
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.