About 1,400 children of some 2,500 separated from their parents at the U.S.-Mexican border have been reunited with their families, the U.S. government said in a court filing on Thursday.

Officials from El Salvador, Guatemala, Honduras and Mexico on Thursday called on the United States to provide more details on migrant children still separated from their parents.

Ten days after being separated from his 11-year-old son Eduardo by U.S. immigration officials, Douglas Almendarez was put on a plane back to Honduras, he says, with a promise he would be reunited with his son there.

During their detention last month in a U.S. Customs and Border Protection facility in Laredo, Texas, Karen and her two young sons were constantly cold. The family, which fled violence in Honduras, slept on a hard floor in a holding cell without mattresses, she said, their clothes still wet from crossing the Rio Grande.

All migrant children under age 5 who were separated at the U.S.-Mexico border will have been reunited with their parents by early Thursday morning if they were eligible, a Trump administration official said in a statement on Wednesday.

U.S. Vice President Mike Pence told the leaders of Guatemala, Honduras and El Salvador on Thursday to end an "exodus" of illegal immigrants to the United States, urging them to dissuade people from even considering entering the country unlawfully.

Honduras called on Monday for the United States to stop separating immigrant children from their parents at the U.S. border, while El Salvador warned that the policy puts children's health at risk and could cause psychosocial scars.

Anti-corruption groups in Honduras on Friday condemned a decision by the country's highest court to strike down a government arm created to work with the Organization of American States' (OAS) anti-graft mission.

Honduras will keep fighting the scourge of gangs whether or not the United States decides to cut off aid, the security minister said on Thursday, a day after U.S. President Donald Trump threatened aid cuts.

Immigrants from Honduras, Haiti, El Salvador and other countries who were given protected status to live in the United States should have a path to citizenship, White House Chief of Staff John Kelly told National Public Radio on Friday.