BOSTON—The mayor of New England’s biggest city on Tuesday delivered a message to the Trump administration: Hands off. Boston has been a focus of the White House’s illegal-immigration crackdown. The Justice Department this month included the blue city on a revised list of so-called sanctuary jurisdictions it says aren’t providing sufficient

When the Justice Department demanded whether Boston would continue to resist cooperating with mass deportations, the event on City Hall Plaza Tuesday morning probably wasn’t the response it had in mi...

“On behalf of the people of Boston, and in solidarity with the cities and communities targeted by this federal administration for our refusal to bow down to unconstitutional threats and unlawful coer...