President Donald Trump is considering a sweeping executive order that would block migrants, including asylum seekers, from entering the U.S. at the southern border in a bid to stop the caravan traveling north through Mexico.

The White House, if it goes ahead with the measure, would issue new regulations restricting certain migrants from seeking asylum. The rules would effectively block most if not all the migrants who are taking part in the caravan.

Hundreds of U.S. troops are also set to make their way to the southern border to help Homeland Security and the National Guard as the caravan pushes north.

CRTV host and author Michelle Malkin said Trump must use any means necessary to stop the caravan, which she called a "full-scale invasion."

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She said that sending troops to the border, however, is merely a "band-aid," because they can only assist in an administrative support role.

"The underlying solution, of course, is to finish the wall and to put more Border Patrol agents on the border," Malkin said.

She added that Trump and Republicans must push back on the idea that they can only deal with the caravan after the midterm elections.

"It is a full-scale invasion by a hostile force. And it requires our president and our commander-in-chief to use any means necessary to protect our sovereignty."

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