(FILES) In this file photo taken on October 23, 2019 A police forensic tent is seen in front of a lorry, believed to have originated from Bulgaria, and found to be containing 39 dead bodies, at the scene where it was discovered at Waterglade Industrial Park in Grays, east of London. - Thirteen people were arrested on May 26, 2020 in Paris' region as part of the investigation opened after the discovery on October 2019 in Britain of the bodies of 39 Vietnamese migrants who died in a refrigerated truck, the Paris prosecutor's office announced on May 27, 2020. A total of 26 arrests took place on the same day, in France and Belgium. (Photo by Ben STANSALL / AFP)