His latest comments also come after the deadliest attack on Jews in US history on Saturday and a series of bombs sent to top Democrats and other Trump critics last week.
Democrats and other critics have condemned the president’s rhetoric as inflammatory, urging Trump to tone down his language and calling on voters to use the elections as a way to reject such policies.
Senator Chris Coons, a Democrat on the Senate Foreign Relations Committee, said that Trump “was driving a false narrative on immigration” in many ways to stoke fear and turn it into an election issue.
On Monday, the government moved to send more than 5,200 troops to help secure the border with Mexico as a caravan of Central American migrants, mostly on foot, makes its way there, although it is unclear how many would arrive at the border or when.