Boston Mayor Michelle Wu dismissed assertions from her newly announced opponent Josh Kraft that she’s a leader who “does not listen” and is disconnected from community concerns, while hitting back by portraying him as a carpetbagger.

With Josh Kraft officially kicking off his campaign to challenge incumbent Mayor Michelle Wu, battle lines are beginning to take shape in Boston's mayoral race.

Josh Kraft, a political newcomer who is running as a Democrat, said his top priority was addressing the city’s housing crisis.