“Look at our beautiful city,” Wu said to cheers during a briefing at City Hall Plaza attended by a number of elected officials and community activists.

“Stop attacking our cities to hide your administration’s failures. Unlike the Trump administration, Boston follows the law, and Boston will not back down from who we are or what we stand for. We will...

Boston has been a focus of the White House’s illegal-immigration crackdown.

Wu, whose parents were immigrants to this country, said she is prepared for the consequences of