The number of migrants crossing the border from Canada into the U.S. is rising as Mexicans fly to Canada and then go south. A family recently stopped by border agents was carrying an infant in subzero temperatures.

Nearly 600,000 migrants who crossed the border since March 2021 have been released inside the U.S. without being charged or given a date to appear in court.

President Joe Biden said on Wednesday he intends to visit to US-Mexico border when he travels next week to the North American Leaders' Summit in Mexico City.

Vice President Harris told NPR that the administration plans to bolster agents at the southern U.S. border after pandemic migration restrictions end, but said Congress must lead on broader reforms.

As administration officials considered a border proposal reminiscent of the Trump era this month, Senate Majority Leader Chuck Schumer called Ron Klain, President Joe Biden's chief of staff, with concerns, according to three sources with knowledge of the call.

US authorities are preparing for a rise in crossings as Covid-era laws expire.