The Mexican bishops' conference has appealed for assistance for thousands of migrants stuck in Chiapas state as Mexican officials step up enforcement and stop issuing travel documents.

“God Bless Bulgaria," Pope Francis prayed, and "keep her in peace and ever hospitable, and grant her prosperity and happiness.”

Migrants are not a threat to a nation's culture, traditions and values, Pope Francis said.

A South African archbishop has urged the government to act against xenophobic attacks, which have increased as general elections approach.

President Donald Trump ordered changes for how refugees may apply for asylum to the U.S., requesting an application fee from asylum-seekers and denying them permission to work depending on how the applicant entered the country.