A caravan of some 2,000 migrants is making its way to the U.S.-Mexico border, hoping to arrive before the U.S. election. Many say they fear what asylum changes could come under a new president. Immigration is a top issue for voters this November with both Republicans and Democrats saying more needs to be done to stem the flow of migrants. Toni Waterman reports.
Caravan of 2,000 migrants heads to U.S. border ahead of election
World Today
