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https://www.dailymail.co.uk/news/article-6314599/500-Central-Americans-leave-migrant-caravan-buses-home.html
'Exhausted' caravan migrants take buses HOME: Number of Central Americans heading for US drops as mothers and children give up on arduous journey north
500 people have voluntarily left the migrant caravan and decided to take bus trips back to home countries
Mexican authorities said that many of those who decided to leave the group were 'sick or exhausted'
Many who left on buses provided by Mexican National Migration Institute were mothers with young children
Hundreds of others have since dropped out of the caravan or accepted asylum in Mexico, it has been revealed
United Nations estimates 7,200 people still in caravan; Mexican government claims there are only 4,500