Expressing her deepest condolences to the families of those killed, the Congress President said that her party stands firmly with the people of France in these difficult times.
"This deadly attack reflects deep resentment to peace and democratic values," Gandhi said in a statement here.
At least 80 people including children were killed and dozens injured when the attacker drove a truck through a crowd watching a fireworks display to mark the holiday in the French Riviera resort of Nice.