Only about 200 in that smaller group made it to the border.Most of the migrants in the caravan appeared determined to reach the US, despite an offer of refuge in Mexico.Mexican President Enrique Pena Nieto launched a program Friday dubbed "You are home", which promises shelter, medical attention, schooling and jobs to Central Americans who agree to stay in the southern Mexico states of Chiapas or Oaxaca, far from the USA border.Mexico's interior minister said Sunday that temporary identity numbers had been issued to more than 300 migrants, which would allow them to stay and work in Mexico.
Kevin McAleenan, the top US border security official, said the decision to send troops was not motivated by electoral politics but rather was a law enforcement necessity, as USA agents prepare for the possibility that crowds of migrants will amass and turn unruly.
Navarrete said some of the attackers carried guns and firebombs."Mexico does not criminalize undocumented immigration", he said.Also on Sunday, about 300 Salvadorans departed from San Salvador hoping to make their way to the U.S.as a group.Meanwhile, some of the migrants in the initial caravan, now estimated at 4,000 people, rested Sunday in the shade of tarps strung across the town plaza or picked up trash in Tapanatepec, population 7,500.
But critics say Trump is overstating the caravan's impact in order to influence the upcoming mid-term elections.
Additionally, officials were monitoring another group of about 3,000 people that had gathered at a border crossing between Guatemala and Mexico.
Air Force General Terrence O'Shaughnessy, head of the USA military's Northern Command, told reporters the 5,200 troops would focus on trying to "harden" border crossings and surrounding areas, with work done by combat engineering battalions with experience building temporary fencing.
On Monday morning, he tweeted: "Many Gang Members and some very bad people are mixed into the Caravan heading to our Southern Border".
But Mexican officials seem intent only on seeing the caravan melt away as it travels toward the U.S. border.
"We're going to put tents up all over the place", told Fox News Channel's Laura Ingraham.
The troops, which are expected to initially be stationed at ports of entry, will be deployed to provide additional security as the so-called "caravan of migrants" pushes toward the US-Mexico border.
He is expected to hold 11 rallies in the days ahead of the November 6 midterms, which Washington pundits are characterizing as a referendum on his presidency.
The troops will join the more than 2,000 National Guardsmen that Trump has already deployed to the border.
The troops will include military police, combat engineers and others helping on the southern border.
Migrants are entitled under both US and global law to apply for asylum.
Trump tweeted: "This is an invasion of our Country and our Military is waiting for you!"
Eight hundred troops already are on their way to southern Texas, O'Shaughnessy said, and their numbers will top 5,200 by week's end.
The U.S. military has already begun delivering jersey barriers to the southern border in conjunction with the deployment plans.
The US President said that those illegal immigrants who enter the United States and request for asylum will not be released as long as their cases will not be considered by the immigration court. It remains hundreds of miles from USA soil.