Immigrant communities in the U.S. are on edge, bracing for promised raids by federal authorities looking to round up and deport undocumented immigrants.

U.S. President Donald Trump has made immigration a top priority of his new administration.

And while officials say undocumented migrants who've committed serious crimes will be targeted first.

All those without proper papers have been put on notice. 

CGTN's Dan Williams has more now from Chicago, a city identified as a starting point for Trump's mass deportation goals. 

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