WASHINGTON (AP) — President Donald Trump wants to explore a twice-rejected proposal to send migrants to "sanctuary cities," but that is not the preferred solution to fix the straining immigration system, the White House said Sunday.

Press secretary Sarah Sanders said it was one of many options, though she hoped Congress would work with the president on a comprehensive immigration overhaul.

The Trump administration is dealing with an ever-increasing number of Central American migrants crossing the U.S.-Mexico border, an influx that has pushed the immigration system to the breaking point.

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