Trump criticizes Mexico of unable to stop migrant caravan, terming them criminals

President Donald Trump on Monday called the migrant caravan heading toward the US-Mexico border a national emergency, saying he has alerted the US border patrol and military.

"Sadly, it looks like Mexico's Police and Military are unable to stop the Caravan heading to the Southern Border of the United States. Criminals and unknown Middle Easterners are mixed in," he said on Twitter.

"I have alerted Border Patrol and Military that this is a National Emergy (sic). Must change laws!"