A group of Central American migrants cross the Suchiate River aboard a raft, on the the border between Guatemala and Mexico, in Ciudad Hidalgo, Mexico on Saturday. After Mexican authorities slowed access through the border bridge to a crawl, hundreds of migrants are boarding the rafts or wading across the river and crossing into Mexico illegally.

A group of Central American migrants cross the Suchiate River aboard a raft, on the the border between Guatemala and Mexico, in Ciudad Hidalgo, Mexico on Saturday. After Mexican authorities slowed access through the border bridge to a crawl, hundreds of migrants are boarding the rafts or wading across the river and crossing into Mexico illegally.