Four men have been charged with human trafficking after the suspected transfer of migrants was intercepted in Kent.
The National Crime Agency made the arrests after witnessing what is believed to have been a handover of four migrants from a lorry into two cars, close to Cobham Services near Gravesend at 8am on Friday.
The men, all Albanian nationals aged between 20 and 35, are now being held by immigration authorities, the NCA said.
Albanian Brothers Arben Cakici, 48, and Astrit Cakici, 37, who had been living illegally in east London, were charged with facilitating illegal entry into the UK and possessing a firearm.
Arben Cakici faces a further charge of carrying a knife.
Lorry drivers Ionut Colibei, 34, and Valerica Prutearu, 41, were charged with facilitating illegal entry into the UK, while Colibei also faces a charge of possession of a knife.
All four men will appear before magistrates on Monday.