Mexico's presidentonAndreManuelLopezObradorhasurgedtheincoming U.
S administrationunderJoeBidentomakemajorreformstoitsimmigrationpolicy.
Hisappealcomesas a newcaravanofmigrantsfromHondurasattemptstomakeitswaythroughGuatemala.
Guatemala's foreignministerhassaidallowingthemtocrossthroughhiscountryandreach a potentiallyclosedborderwithMexicowouldcreate a humanitariancrisis, andhe's askingHondurastohelporganizefortheirreturn.
Whatstartedas a deterrentsoonturnedinto a realuseofforce.