Authorities in Mexico stop 1,000 migrants from advancing towards the U.S.

Some 200 military police, immigration agents and federal police blocked the advance of about 1,000 Central American migrants who were walking north along a southern Mexico highway on Wednesday, once again showing a tougher new stance on attempts to use the country as a stepping-stone to the U.S.

The group of migrants, including many women and children, set out early from Ciudad Hidalgo at the Mexico-Guatemala border and was headed for Tapachula, the principal city in the region. State and . . .