There were calls last night for G4S to be thrown out of a leading ethical share index after it was blacklisted by Norway's state-backed wealth fund over human rights concerns...

G4S still boasts on its website membership of the FTSE 4 Good index of socially responsible companies...

A spokesman from investor charity Share Action told the Mail: 'The G4S board must publicly take full responsibility for the abuses. It should be removed from the FTSE 4 Good index.'

Cliff Weight, director at non-profit investor group Sharesoc, said: 'These are unbelievably serious allegations. It is clearly time for them [G4S] to come out of the FTSE 4 Good index.'