Some of the people who spoke to ITV News about alleged security breaches by G4S staff were sacked by the G4S and have tribunal cases against the company.
The man in charge of the operation, the G4S Managing Director of Global Events, Ian Horseman Sewell, rejected all their claims:
"At no point is there any evidence that dogs that have been trained to detect substances other than explosives have been used to try to detect explosives."
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Labour splits over Brexit have been shown in a Queen's Speech amendment calling for the UK to stay in the single market and customs union.
He is accused of raudulently attempting to gain money and housing by pretending he had lost family members.