Le Pen is way down in the polls. But her base is energized, and as the French economy sputtersr and fears of Islamist militants grow, it may be too soon to discount her chances.
Centrist Emmanuel Macron held onto his status as frontrunner in the polls after a policeman was killed Thursday night in a militant attack.
French newspaper Libération described the speech as "one of the most hardline of [Le Pen's] campaign so far."
The judges are investigating the alleged misuse of European Union funds by Marine Le Pen, a member of the European Parliament, to pay for party assistants.
News organizations are teaming up with tech giants to fact-check stories shared online.
The National Front leader, who is running in second place in the presidential race according to opinion polls, repeated her complaint that French banks were refusing to lend her money.
"The problem we have nowadays is this form of low-cost terrorism," the National Front leader said.
Voters rated Macron as the strongest performer of the five leading candidates who took part in the first debate of the presidential election campaign on Monday night.
Benoit Loeuillet claimed that he had not denied the "reality" of the Holocaust.
A survey found 69 percent of people wanted Fillon to drop his bid.
The normalization of the National Front's politics means the party is seen as an inevitable contender.
The recent extremist attacks in Nice and Paris could boost support for far-right parties.
Tactical moves by Socialists hands power to Sarkozy's conservatives.
A new poll shows Marine Le Pen and her niece Marion trailing the Republicans.
The Ministry of Youth Affairs and Sports is also considering lowering the voting age to 16 years old.
Pre-election polls had the right and hard-right groupings neck and neck.
The Front National Leader would beat Hollande and Sarkozy if election were held tomorrow.