Sir Denis O'Connor, outgoing HM Chief Inspector of Constabulary, will give evidence on Olympics security.
Stephen Greenhalgh, Deputy Mayor of London for Policing and Crime, will give evidence on policing in London.
Metropolitan Police Commissioner Bernard Hogan-Howe has also been asked to give oral evidence.
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Parents of obese children rarely spot that their child is overweight, doctors warn.
MPs are no longer MPs, just candidates again - Parliament has automatically dissolved and the 'short campaign' begins today.
John Barnes would like to work again as a football manager, but is being hindered due to the colour of his skin.