Local media reports at least 60 dead, 100 injured, and driver dead.

The organizers bluntly admit that presumptive Republican presidential nominee Donald Trump and his controversies have led to the shortfall.

"France is filled with sadness by this new tragedy," French President Francois Hollande said, noting several children were among the dead in what he said he had no doubt was an act of terrorism.

Gideon Saar (Likud), Israel's former Interior Minister wrote that the attack was a "mass murder of people" who believe in the French values.

Following the massacre, Army Radio reported that no Israelis were harmed in the tragedy. They added, however, that five members of the Jewish community in Nice had been injured in the attack.

Rubio, 26, was visiting the French Riviera city on his way back to the US from Israel when the brutal attack that killed up to 84 people occurred.

Mayhem broke-out late Thursday evening in the Riviera city when a truck driven by a 31-year-old Franco-Tunisian man rammed into a crowd gathered to celebrate the holiday.

Attack appears to be the work of a lone wolf or local cell, experts say; An EU-wide counter-terror organization is needed, though lone attackers are very difficult to stop.