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The Biden administration has reached a deal with Mexico, Honduras, and Guatemala to increase security at their borders in order to curb increased migration at the U.S. southern border.

White House Press Secretary Jen Psaki on Monday said Mexico will keep 10,000 troops stationed at its southern border and Honduras has deployed 7,000 police officers and members of the military to its border. Guatemala has sent 1,500 police officers and troops to its southern border and will also set up 12 checkpoints inside the country, along a route taken by migrants.

Psaki said the "objective is to make it more difficult to make the journey" to the U.S. "and make crossing the borders more difficult." Last month, Border Patrol agents encountered almost 170,000 migrants at the U.S. southern border, the highest number since March 2001, The Guardian reports.

Migrants are fleeing poverty, violence, corrupt governments, and extreme weather. Security forces in Mexico, Honduras, and Guatemala have all been accused of abusing migrants and targeting them for extortion and robbery, The Guardian says.