Unlike their Liberal colleagues, the NDP are fighting fire with fire against the Conservatives.
According to the Globe and Mail, the federal New Democrats are urging their members and donors to help them retaliate against attack ads launched two weeks ago by the Conservatives against NDP Leader Thomas Mulcair.
In an e-mail sent Tuesday, NDP national director Chantal Vallerand asks party supporters to distribute a new video created to discredit Prime Minister Stephen Harper's record on the economy.
The ad, also released Tuesday, features ominous background music and unflattering pictures of Harper while a a voice accuses the Conservatives of attacking "the most vulnerable Canadians."
Here's the ad posted on the NDP website: