The options remaining for thousands of Haitian migrants straddling the Mexico-Texas border are narrowing.

The United States government is ramping up expulsion flights to Haiti and Mexico has begun flying and busing some away from the border.

U.S. officials say more than 6,000 Haitians and other migrants have been removed from an encampment around a bridge in Del Rio, Texas. Gov. Greg Abbott says about 8,600 migrants remain at the camp.

Latin America is witnessing an unprecedented migration crisis, with millions of undocumented people fleeing acute poverty and hardships to countries both outside and within the region.

While thousands of Haitians and Central Americans have risked their lives to reach the US-Mexico border, thousands of Peruvians, Haitians, Colombians, Dominicans, and especially Venezuelans are undertaking a harrowing journey in the opposite direction, crossing the aridest desert on earth to reach Chile.

Aljazeera/Agencies.