Migrants from Central America and Haiti walk in a caravan headed to the Mexican capital to apply for asylum and refugee status, in Tapachula, in Chiapas state, Mexico October 23, 2021.

TAPACHULA, Oct 23 (Reuters) - Several thousand migrants from Haiti, South America and Central America set off from southern Mexico headed north on Saturday, clashing with law enforcement trying to hold the caravan back.

Some people among the latest mass movement of migrants trying to pass north through Mexico said they hoped to eventually reach the U.S.