Democrats, who held the Senate floor for nearly 15 hours in protest over a lack of action on gun control, said they have been promised votes on their legislation by GOP leaders.

Sen. Chris Murphy, D-Conn., ended a filibuster shortly after 2 a.m. after Republican leaders pledged the Senate would vote on legislation sponsored by Sen. Dianne Feinstein, D-Calif., that would block people on the terror watch list from purchasing firearms.