West Ham United have unveiled their plans for the Olympic Stadium.
An automated system using drive motors will move all four sides of the lower bowl forward to bring the seats closer to the pitch, thus ensuring that the running track will not be visible when the stadium is in football mode.
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Dozens of women gathered on Westminster Bridge to form a human chain in a show of solidarity with the victims of Wednesday's terror attack.
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.