The managing director of G4S has responded to allegations that his staff abused people in an immigration removal centre at Gatwick Airport. 

G4S has suspended nine members of staff, following a BBC Panorama undercover investigation.

Speaking to BBC Radio 5 live's Emma Barnett, Jerry Petherick, managing director for G4S' custodial and detention services in the UK, said he will look at the current investigation to prevent future incidents.

[Radio interview]