PARIS - French President Francois Hollande expressed in a letter to US President Barrack Obama his condolences over the shooting on Friday in an American primary school that killed closed to 30 people, a statement from the Elysee Palace said.

"I was horrified by the news of the shooting today in Sandy Hook primary school in Newtown in the state of Connecticut," the French president said, "please accept my condolences on behalf of the French people and on myself."

He also expressed his solidarity with the families of the victims on this tragic moment.

Earlier reports said 28 people have been killed, with most of them children in a shooting by a 20-year-old gunman who attacked on Friday morning the primary school in Connecticut in eastern United States.