Senior police officers will today be questioned about the shortfall in Olympics security staff provided by the private firm G4S.
The Met's Deputy Assistant Commissioner Sue Akers is due to give evidence to the Home Affairs select committee on the hacking of mobile communications, but she will also be asked about the staffing failures.
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New 'smart ticketing' plans will also be introduced so travellers can receive automatic compensation payments for late trains.
The 41-year-old father of six died last Thursday - a week before he and the band had been due to begin touring in North America.