Mexico will take "unprecedented steps" to stem the flow of Central American migrants transiting the country to the United States, including by deploying National Guard troops, the countries said in a joint statement Friday.
"Mexico will take unprecedented steps to increase enforcement to curb irregular migration, to include the deployment of its National Guard throughout Mexico, giving priority to its southern border," the statement said.
Mexico would also target human smuggling and trafficking groups, the statement said.
Watch: Donald Trump calls off tariffs as US and Mexico reach deal on immigration
Meanwhile, measures on the US side will include sending migrants who had applied for asylum back to Mexico to wait while their claims were being processed.
The announcement came as the US and Mexico hammered out a deal on migration to avoid punishing tariffs on all Mexican imports that US President Donald Trump had threatened to put into effect on Monday.