The owners of a lorry found containing 15 people near Ilminster take incidents of human trafficking "very seriously," a spokesperson said.
The Thermotraffic spokesperson added: "At the moment we are in close contact with the British public authorities and support them to investigate the situation."
A German national has been arrested on suspicion of facilitating the unlawful entry of people into the UK. He is understood to be the driver of the lorry.
More top news
A similar split set up to today
The Eagles of Death Metal want to be the first to play the Bataclan when it reopens, the lead singer has said in an emotional interview.
Cheap commercial spaceflight took one giant leap closer to reality after Blue Origin successfully landed a rocket - upright - in Texas.