A massive migrant caravan is making its way to the United States’ southern border. Thousands of mostly South and Central American migrants arrived Sunday in the Mexican town of Alvaro Obregon after traveling more than nine miles from Tapachula with the hope of reaching America. Local authorities estimated the size of a caravan of migrants, heading to the US border, to average about 8,000 people per day. A Reuters witness traveling with the group said most migrants were from Central and South America but also the Caribbean