Caravan of 2,000 migrants head toward US from south Mexico

Around 2,000 migrants set out in a caravan from southern Mexico Saturday in the hopes of reaching the United States amid pressure from Washington to impede migrant arrivals that has made obtaining permission to pass through Mexico increasingly difficult.Many of the migrants who departed from Tapachula, Chiapas early in the morning had been waylaid in the city just north of Guatemala for weeks or months, awaiting residency or transit papers from Mexican authorities.The migrants are originally fro