Mexico will deport almost 500 migrants who attempted to storm the US border, according to its interior ministry.
The group were rounded up after trying to cross the border “violently” and “illegally” on Sunday, the ministry said in a statement.
Video footage shows dozens of people – including women and children – running towards the fence that separates the two countries near the city of Tijuana.
They were repelled by tear gas used by US border officers.
Mexico’s interior ministry said all those who were identified as having tried to cross would be deported immediately.