Some in the news media are dismissing claims by President Trump and his allies that the migrant caravan of several thousand Central Americans making its way toward the U.S. poses a threat to the U.S.

Trump has used the caravan to emphasize immigration policy, a theme that helped him win in 2016, and on Monday, he said in a tweet that there are “Many Gang Members and some very bad people” in the caravan. He referred to it as “an invasion of our Country.”