New Delhi: The British police on Wednesday arrested a truck driver on suspicion of murder after 39 bodies were recovered from the lorry container in the industrial estate of Essex, east of London in the United Kingdom.

According to reports, the lorry truck had travelled from Bulgaria and entered the UK on Saturday at Holyhead in Wales. At around 1:40 AM local time, ambulance service was called after making the grim discovery at the Waterglade Industrial Park in Eastern Avenue, Grays.

The police have taken the 25-year-old driver to custody, and further inquiry in the case is underway.

UK Prime Minister Boris Johnson reacted to the incident on Twitter, expressing his condolences to the families of the victims.

He said, “I’m appalled by this tragic incident in Essex. I am receiving regular updates and the Home Office will work closely with Essex Police as we establish exactly what has happened. My thoughts are with all those who lost their lives & their loved ones.”

The victims have not been identified yet, and it could be a lengthy process, the police said. The 39 bodies also included a teenager. The fatalities were pronounced dead at the scene.