Mexico will deport Central American migrants who attempted to storm the US border, its interior ministry said.
The group, part of the migrant caravan heading towards the US from Central America, was rounded up after trying to cross the border “violently” and “illegally” on Sunday.
Video footage shows dozens of people running towards the border fence near the city of Tijuana.
US border officers used tear gas to repel them.
Who are they?
Tension has been running high on the US-Mexican border since the arrival of almost 7,500 migrants over the past weeks.
- Humanitarian crisis develops in Tijuana
- What is the migrant caravan heading to US?
The migrants, who are mostly from Honduras, but also from Guatemala and El Salvador, say they are fleeing the threat of violence in their home countries and looking to make a better life for themselves and their families.
They have travelled in large groups, dubbed “caravans”, for more than 4,000km (2,500 miles) from Central America and most want to reach the United States, where they say they plan to ask for asylum.
Among them are many families with young children.
But with US President Donald Trump vowing to keep each migrant on the Mexican side of the border until courts have decided their case, they are facing a long wait.
They have been spending the past two weeks in temporary shelters in the Mexican border city of Tijuana and in Mexicali, 180km to the east along the border.
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