"The security forces are mobilized everywhere across France to ensure the security of French people and to ensure the presidential campaign goes smoothly", he said.
Although the FN has historically failed to gather the needed support and/or coalition of other political parties in the second round of elections, due mainly to Le Pen's isolation in her political ideologies, it remains to be seen whether voters of underdog Republican candidate Francois Fillon cast their votes for far-right winger Le Pen or opt to abstain from the second round vote.
Independent candidate Emmanuel Macron is drawing fire from his closest rivals as opinion polls signal his narrow lead may be firming three days before the first round of France's presidential election.
"The measures that I want to put in place would mean that many of these people (Islamist attackers) would not have been on our territory or living freely", she told BFM, repeating a claim from a speech on Sunday night.
The suspects, Mahiedine Merabet, 29 and Clement Baur, 23, were detained under arrest warrants for terrorist criminal association.
The two arrested suspects, who were found in Marseille with a cache of weapons and explosives, were being questioned in the southern city on Wednesday where Le Pen is set to appear later at a rally.
Molins said evidence to date indicated that the two suspects were preparing "an imminent violent act on French territory, but it is not yet possible to say precisely when, or what their target or targets were".
Alain Juppe, also beaten by Fillon in the primaries but a more popular figure than Sarkozy, will be at Fillon's side on the campaign trail on Wednesday, a member of Fillon's entourage said.
Secret Service Will Block Sidewalk on White House's South Fence
Questions about why the man was able to remain on the property for so long fueled criticism of the long-embattled Secret Service. Less than a week later, a woman was arrested after she got her shoelaces tangled after trying to jump the White House fence.
The presidential election is being watched as a bellwether for global populist sentiment, in large part because of Le Pen's nationalist, anti-immigration positions.
The populist Le Pen, a leading candidate, called for a "national insurrection, peaceful and democratic.to give France back to its people".
While many do not predict Le Pen to become president, such a black swan event would have a big negative impact on the euro as it would create great uncertainty in the markets because Le Pen is anti-euro and plans to take France out of the euro and potentially out of the European Union by holding a referendum.
Macron struck a tough, but conciliatory tone.
But he added that "terrorism.is a challenge that calls upon us more than anything else to come together, because the terrorists wish nothing more than our division".
French police say thieves stole a computer and a police armband from a vehicle used by aides to presidential candidate Francois Fillon. "The campaign must continue until the end".
The race for the presidency features Francois Fillon, Emmanuel Macron, Benoit Hamon, Jean-Luc Melenchon, and Marine Le Pen. He expressed solidarity with his fellow presidential hopefuls.