Migrant workers

FILE - In this Sept. 15, 2015 file photo, United Nations High Commissioner for Refugees Antonio Guterres, right, speaks during a media conference in Brussels. The U.N. General Assembly has endorsed a sweeping accord to ensure safe and orderly migration Wednesday, Dec. 19, 2018, over opposition from five countries, including the United States and Hungary. Guterres welcomed the resolution's adoption, saying the compact provides a platform for international cooperation that points the way "toward humane and sensible action to benefit countries of origin, transit and destination as well as migrants themselves." (AP Photo/Virginia Mayo, File)

In this Oct. 21, 2018, photo, Sister Laurentina, left, stands next to the tombstone of Adelina Sau in Abi village in West Timor, Indonesia. Adelina died while working as a maid for a Malaysian family. (AP Photo/Tatan Syuflana)

Migrants use a flooded shower and toilet area at a sports complex sheltering thousands of Central American migrants in Tijuana, Mexico, Thursday, Nov. 29, 2018. Aid workers and humanitarian organizations expressed concerns Thursday about the unsanitary conditions at the sports complex in Tijuana where more than 6,000 Central American migrants are packed into a space adequate for half that many people and where lice infestations and respiratory infections are rampant. (AP Photo/Rebecca Blackwell)

Passers-by are reflected in an artwork based on the European Union flag, with one star missing, in the European Commissions headquarters in Brussels, Monday, Nov. 12, 2018. Britain's European Union partners on Monday ratcheted up political pressure on Prime Minister Theresa May amid signs that some progress is being made in Brexit negotiations. (AP Photo/Francisco Seco)

Central American migrants, part of the caravan hoping to reach the U.S. border, get a ride on a truck, in Celaya, Mexico, Sunday, Nov. 11, 2018. Local Mexican officials were once again Sunday helping thousands of Central American migrants find rides on the next leg of their journey toward the U.S. border. (AP Photo/Marco Ugarte)

The body of a victim of Friday's train accident is carried in for cremation in Amritsar, India, Saturday, Oct. 20, 2018. A speeding train ran over a crowd watching fireworks during a religious festival in northern India on Friday evening, killing more than 50 people and injuring dozens more, police said. (AP Photo/Prabhjot Gill)

FILE - In this Monday, June 4, 2018 file photo, Nigeriens and third-country migrants head towards Libya from Agadez, Niger. Algeria’s deadly expulsions of migrants into the Sahara Desert have nearly ground to a halt after widespread condemnation and the abrupt firing of two of its top security officials. Officials with the UN’s International Organization for Migration said the expulsions to the desert border Algeria shares with Niger and Mali had all but ended since The Associated Press reported more than 13,000 people had been dropped there since May 2017, including women and children.(AP Photo/Jerome Delay, File)

Migrants descend the Italian coast guard vessel Dattilo upon arrival at the eastern port of Valencia, Spain, Sunday, Jun. 17, 2018. The first Italian government ship accompanying the migrant aid vessel Aquarius with 630 people aboard on Sunday docked at the Spanish port ending a weeklong perilous crossing of the Mediterranean. (AP Photo/Alberto Saiz)

Migrants are checked by emergency workers after arriving o the Italian coast guard vessel Dattilo at the eastern port of Valencia, Spain, Sunday, Jun. 17, 2018. The first Italian government ship accompanying the migrant aid vessel Aquarius with 630 people aboard on Sunday docked at the Spanish port ending a weeklong perilous crossing of the Mediterranean. (AP Photo/Alberto Saiz)