Watch live: The final US Senate debate between Ed Markey and Seth Moulton

Sen. Ed Markey and Rep. Seth Moulton participated in their final televised debate hosted by WCVB-TV, WBUR-FM, and The Boston Globe. The 47-year-old House lawmaker is attempting a longshot bid to replace the 80-year-old progressive incumbent. The two candidates exchanged blows throughout the event as they prepare for the Massachusetts Democratic Senate primary. This critical electoral contest is scheduled to take place on September 1, marking the conclusion of their primary debate series.