President Obama said Thursday evening that he will not campaign for any candidate that doesn't back up his efforts on gun control, a major focus of his last year in office.
"I will not campaign for, vote for or support any candidate, even in my own party, who does not support common-sense gun reform," Obama wrote in a New York Times op-ed.
Obama's remarks came shortly before a town hall Thursday evening on CNN where he'll discuss his executive actions on guns unveiled earlier this week.
Those measures would expand background checks for some gun sales, tighten enforcement of existing laws and take steps to curb gun violence.
Hillary ClintonHillary Diane Rodham ClintonCountering the ongoing Republican delusion Republicans seem set to win the midterms — unless they defeat themselves Poll: Democracy is under attack, and more violence may be the future MORE, the Democratic presidential front-runner, earlier this week praised Obama's gun action. Clinton has also argued that her primary rival for the Democratric nomination, Sen. Bernie SandersBernie SandersSenate GOP blocks defense bill, throwing it into limbo This week: Congress starts year-end legislative sprint Restless progressives eye 2024 MORE (I-Vt.), isn't tough enough on guns.
Clinton seized on the issue toward the end of last year in the wake of a series of high-profile mass shootings,
Gun violence is expected to be a focus of Obama's last State of the Union next week.
Obama's message to candidates comes just weeks before ballots are cast in the early voting states of Iowa and New Hampshire, where Clinton and Sanders are battling.