Mayor Michelle Wu had a great Saturday: her bid for a second term was endorsed by five Service Employees International Union groups, representing 135,000 Massachusetts workers.

Mayor Michelle Wu, days after answering questions in front of a congressional committee, was endorsed by five workers’ unions consisting of 135,000 people statewide.

She stood up for the city and refused to cower in the face of threats and smears,” one of more than 1,700 respondents said. The post Mayor Michelle Wu represented Boston well at the ‘sanctuary cities’ congressional hearing,