Mexican armed forces meets migrants at southern border

MEXICO CITY — Mexican soldiers, armed police and migration officials blocked hundreds of migrants after they crossed the border from Guatemala in a caravan into southern Mexico on Wednesday, and detained dozens of them, a witness from a migrant aid group and an official said.

The Mexican response in the border town of Metapa, which included dozens of soldiers, marked a toughening of the government's efforts to curb the flow of mainly Central American migrants, said Salva Cruz, a coordinator with Fray Matias de Cordova.

"That many sailors and military...