There was a star-studded opening ceremony, and some sporadic clashes between police and protesters at points around the Azteca stadium.

The Pope is appealing for a humane approach and respectful welcome for migrants seeking a better life.

Nigeria is the latest African state to repatriate citizens following reports of xenophobic attacks.

Rights groups accuse the RSF paramilitary group of killing civilians in el-Obeid, a city on the civil war's front line.