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The National Rifle Association has issued a threatening message to US journalists, warning them “your time is running out”.

In the controversial video, conservative political activist and TV host Dana Loesch brands “lying" members of the media a “stain” on honest journalism.

The presenter, who is known for attacking left-wing news outlets, said the NRA has “had enough”, and that the “clock is ticking” for the likes of the New York Times and CNN.

Ms Loesch, who has previously starred in other NRA videos, said in the footage posted by NRATV on Twitter: “To every lying member of the media, to every Hollywood phoney, to the role model athletes who use their free speech to alter and undermine what our flag represents."

She added: “To the Joy-Ann Reids, the Morning Joes, the Mikas. To those who stain honest reporting with partisanship. To those who bring bias and propaganda to CNN, The Washington Post and The New York Times… your time is running out. The clock starts now."

The TV personality then turns over a sand timer before the screen fades to black and a message appears promoting Ms Loesch’s new show on NRATV.

The post was shared by NRATV, which describes itself as “America's Most Patriotic Team On A Mission To Take Back The Truth.”

The post comes in the wake of campaigners’ protests over demands for tougher gun laws following the school shooting in Parkland Florida which left 17 dead.

It sparked widespread debate on the divisive topic of gun control, with US President Donald Trump recently showing support for raising the age limit to buy certain types of weapons.