ABC News Third Democratic Debate: New Hampshire Edition

PHOTO: Pictured (L-R) are Democratic presidential candidates Hillary Clinton in Iowa City, Iowa, Dec. 16, 2015, Bernie Sanders in Manchester, N.H., Nov. 29, 2015 and Martin OMalley in Manchester, N.H., Nov. 29, 2015.PlayAP Photo | Getty Images
WATCH Hillary Clinton's Opening Remarks in ABC News Democratic Debate

ABC News is hosting the third Democratic presidential primary debate featuring Hillary Clinton, Bernie Sanders and Martin O'Malley who will duke it out on stage at St. Anselm College.

It's the first and only Democratic debate held in the primary state of New Hampshire of the 2016 election cycle.

Moderating tonight are "World News Tonight" anchor David Muir and Chief Global Affairs Correspondent Martha Raddatz. The debate will focus on national security and foreign policy in the wake of the Paris terrorist attacks.