The caravan, which could consist of up to 2,000 migrants, began its journey from Honduras on Monday. The migrants have already become symbols in the ongoing battle over border security.
While Border Patrol agents build up fences in San Diego to guard against a national security threat, Central American migrants waiting in Tijuana consider whether the journey was worth the effort.
U.S. Customs and Border Protection authorities say they fired tear gas to deter about 150 Central American migrants from climbing over or under the U.S.-Mexico border fence into California.
When José Aguilar, a Honduran living in the Mexican border city who runs the restaurant Honduras 504, heard a caravan of mostly Honduran migrants was coming, he knew he had to do something to help.
About 80 mostly LGBT migrants reached the border city south of San Diego on Sunday. They plan to seek political asylum as early as Thursday, arriving weeks ahead of thousands en route to the U.S.
Asked on Thursday if active duty soldiers being sent to the border with Mexico would fire on migrants who throw rocks, Trump said he hoped not. On Friday, he said soldiers would arrest them instead.
The Department of Homeland Security requested the troops. President Trump says he is intent on stopping any people in a migrant caravan from crossing the U.S. border.
Mexico has begun allowing members of a mass migrant caravan to cross its border, following violent clashes between the migrants and Mexican police on Friday.
Under U.S. pressure, Mexico continues to crack down on migration on its own southern border, even surpassing America's deportation numbers in recent years.
A group of migrants, mostly from Honduras, Guatemala and El Salvador are seeking political asylum in the U.S. Their trip has garnered heavy attention following remarks by President Trump.
