Migrants ford river from Guatemala to Mexico

Migrants sit at the bridge spanning the Suchiate River in Tecun Uman, Guatemala, Monday, Jan. 20, 2020. More than a thousand Central American migrants hoping to reach United States marooned in Guatemala were preparing to again walk en masse across a bridge leading to Mexico in an attempt to convince authorities there to allow them passage through the country. (AP Photo/Moises Castillo)
Migrants gather at the bridge spanning the Suchiate River in Tecun Uman, Guatemala, Monday, Jan. 20, 2020. More than a thousand Central American migrants hoping to reach United States marooned in Guatemala were preparing to walk en masse across a bridge leading to Mexico in an attempt to convince authorities there to allow them passage through the country. (AP Photo/Santiago Billy)
Migrants gather at the bridge spanning the Suchiate River in Tecun Uman, Guatemala, Monday, Jan. 20, 2020. More than a thousand Central American migrants hoping to reach United States marooned in Guatemala were preparing to again walk en masse across a bridge leading to Mexico in an attempt to convince authorities there to allow them passage through the country. (AP Photo/Moises Castillo)
Locals cross the Suchiate River from Mexico to Guatemala near Ciudad Hidalgo, Mexico, Monday, Jan. 20, 2020. More than a thousand Central American migrants hoping to reach United States marooned in Guatemala were preparing to walk en masse across a bridge leading to Mexico in an attempt to convince authorities there to allow them passage through the country. (AP Photo/Marco Ugarte)
Migrants stand on the bridge spanning the Suchiate River on the border between Guatemala and Mexico in Ciudad Hidalgo, Mexico, at sunrise Monday, Jan. 20, 2020. More than a thousand Central American migrants hoping to reach United States marooned in Guatemala were preparing to walk en masse across this bridge leading to Mexico in an attempt to convince authorities there to allow them passage through the country. (AP Photo/Marco Ugarte)
Migrants gather at the bridge spanning the Suchiate River in Tecun Uman, Guatemala, Monday, Jan. 20, 2020, at the border with Mexico. More than a thousand Central American migrants hoping to reach United States marooned in Guatemala were preparing to walk en masse across this bridge leading to Mexico in an attempt to convince authorities there to allow them passage through the country. (AP Photo/Santiago Billy)

TECUN UMAN, Guatemala — Hundreds of Central American migrants began crossing the Suchiate River into southern Mexico Monday in a new test of U.S. President Donald Trump’s Central America strategy to keep them away from the U.S. border.