39 people have been found dead in the back of a lorry in Essex
Police in Essex made the discovery at an industrial park in the early hours of this morning.
Police have also arrested a 25-year-old man from Northern Ireland on suspicion of murder
In addition, it's believed the lorry originated from Bulgaria and arrived at Holyhead on Saturday.
Chief Superintendent Andrew Mariner said: "This is a tragic incident where a large number of people have lost their lives. Our enquiries are ongoing to establish what has happened.
"We are in the process of identifying the victims, however I anticipate that this could be a lengthy process.
