British police released the names of the 39 Vietnamese victims, including three boys, found dead in the back of a truck near London last month and said consultations had begun with Hanoi over repatriation of the bodies.
Paris police cleared two migrant camps in northern Paris and the inner suburb of Saint Denis on Thursday morning.
Greek police found 41 migrants, mostly Afghans, hiding in a refrigerated truck at a motorway in northern Greece on Monday, officials said.
Vietnam police have arrested two people for trafficking in connection with the death of 39 migrants whose bodies were found in a truck in Britain, many of them feared to be Vietnamese.
British police were hunting on Tuesday for two brothers from Northern Ireland whom they described as "crucial" to an investigation into the deaths of 39 people
A rescue ship which has been at sea for 10 days with 104 migrants should urgently be allowed to disembark them, the two charities running the vessel said on Monday.
British police want help from the Vietnamese community in Britain and abroad to identify the 39 people found dead in the back of a refrigerated truck
German NGO Sea-Eye said one of its vessels was threatened on Saturday by Libyan coast guards who fired warning shots as it rescued 90 migrants from a lifeboat.