Dhaka, Sept. 25 -- Mexican officials are urging Haitians on the Texas border trying to reach the United States to give up and return to Mexico's frontier with Guatemala to request asylum, even as discontent grows over the treatment meted out to the beleaguered migrants.

Up to 14,000 mostly Haitians were camped just north of the Rio Grande river this month as they attempted to enter the United States, but hundreds retreated to Mexico after US officials began sending planes of people back to Haiti, reports Reuters.

On Thursday, the US special envoy to Haiti quit in protest over the Biden administration's deportations of migrants to the Caribbean nation, which has been rocked by the assassination of its president, gang violence and natural...