"The euro is not a currency", Le Pen said in February.
Immediately after the attack, Le Pen reiterated her calls for border controls and a crackdown on radical Islam.
She said "a clear head and a firm grip" were required in the wake of the gun attack, saying: "It is time to stop being naive".
British counterterrorism expert Olivier Guitta told VOA the unusual speed with which IS claimed responsibility for the attack would seem to indicate the shooting was not just "inspired" by the terror group but was also planned by it.
PARIS (Reuters) - France said its security forces were fully mobilized for a presidential election at the weekend after the killing of a policeman by an Islamist militant threw a dark shadow over the last day of an unpredictable campaign.
The attack on police in Paris last night by a suspected Islamist extremist from a commuter town is all the more terrible for being grimly familiar. "First of all, our condolences from our country to the people of France".More news: Russian planes detected off Alaska 4 times this week
Candidates in France's presidential election made last-ditch appeals to sway undecided voters on Thursday as the third and fourth placed contenders kept up the pressure on the two hopefuls leading opinion polls.
Based on current polling, Le Pen is expected to face Center-Right candidate Emmanuel Macron in a runoff in May.
The man was armed with a Kalashnikov rifle and was shot dead as he tried to flee.
"As we see a steady stream of earnings, on balance the season has been better and that's helping the market today", said Art Hogan, chief market strategist at Wunderlich Securities in NY.
The upcoming presidential election in France is "important", Lewis said.
He's calculated that a low voter turnout for Le Pen's rival could hand her the win.More news: Fox stock holds steady following O'Reilly firing
"There is no such thing as zero risk", he said on RTL Radio.
The independent centrist said in a written statement that the conversation focused on Europe's future and the "values of progress they are both very attached to".
As news of the shooting broke, Le Pen was taking part in live televised debate with 10 other candidates.
"Make sure. you work hard all the way through".
Le Pen, a 48-year-old mother of three, has distanced herself from her father, National Front party founder Jean-Marie Le Pen, who has been convicted of crimes related to anti-Semitism and mocked the Holocaust as a "detail" of history.More news: Iran not pulling weight on 2015 nuclear deal
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