Members of Massachusetts' all-Democratic U.S. House delegation are among those refusing to leave the U.S. House floor until they secure a vote on gun control measures.Watch the reportMembers of the state's delegation participating in the sit-in Wednesday afternoon included Reps. Katherine Clark, Michael Capuano, Joe Kennedy, Richard Neal, James McGovern, Niki Tsongas, William Keating and Seth Moulton.The state's two Democratic U.S. senators - Elizabeth Warren and Edward Markey - trekked to the House to join the protest.Democrats want a vote on measures to expand background checks and block gun purchases by some suspected extremists following last week's shooting at a gay nightclub in Orlando, Florida, that left 49 people dead.Capuano says Congress should do more to address gun violence, and that the two measures should unite everyone.

Members of Massachusetts' all-Democratic U.S. House delegation are among those refusing to leave the U.S. House floor until they secure a vote on gun control measures.



Watch the report



Members of the state's delegation participating in the sit-in Wednesday afternoon included Reps. Katherine Clark, Michael Capuano, Joe Kennedy, Richard Neal, James McGovern, Niki Tsongas, William Keating and Seth Moulton.



The state's two Democratic U.S. senators - Elizabeth Warren and Edward Markey - trekked to the House to join the protest.



Democrats want a vote on measures to expand background checks and block gun purchases by some suspected extremists following last week's shooting at a gay nightclub in Orlando, Florida, that left 49 people dead.



Capuano says Congress should do more to address gun violence, and that the two measures should unite everyone.