Four men have been charge with a number of sexual offences including child prostitution and rape.
The group, all from from east London were arrested and charged by officers from the Metropolitan Police’s Trafficking and Prostitution Unit.
Officers made the arrests in the early hours of Thursday morning, acting on intelligence from Essex Police.
A statement from the Metropolitan Police said four victims aged between 16 and 18 have been identified.
Naeem Ahmed, 25, of Westminster Gardens, Barking, was charged with controlling child prostitution, inciting child prostitution and five counts of rape.
Anas Mir Iqbal, 25, from Newham Way, Newham, was charged with one count of paying a child prostitute for sexual services.
Nabeel Ahmed, 23, of Chadwell Heath Lane, Romford, was charged with six counts of rape, and Hassan Raza, 23, of Westminster Gardens, Barking, was charged with one count of sexual touching.
They were due to appear at Barking Magistrates’ Court.