Salvadoran girls found on Rio Grande at U.S.-Mexico border

An agent of the Mexican immigrant welfare agency Grupo Beta sits on a boat with three Salvadoran minors who were found alone on an islet on the Rio Bravo, in Piedras Negras, Mexico, in this handout picture obtained by Reuters on January 11, 2023. Mexico National Immigration Institute (INM)/Handout via REUTERS

MEXICO CITY (Reuters) - Mexican immigration agents found three unaccompanied Salvadoran children stranded on an islet on the Rio Grande, which straddles the U.S.-Mexico border, Mexico's immigration institute said.

The three sisters are 9, 6 and 1 year old, the institute said in a statement on Wednesday.