The station serves the main Haramain High Speed Rail system. The route opened to the public in October last year, taking passengers between Mecca and Medina, Islam's holiest sites.
A group of youngsters were riding a mini replica of an electric jeep car meant for kids. One of the young lads then jokingly asked the man in his Mercedes, “Sell your car?”
The officials from the French Foreign Ministry said that several countries had representatives at the ceremony, held at a cemetery for non-Muslim dead. The identities of the victims were unclear.
Police in the western province of Makkah said the attacker was a Saudi, but it did not give the nationality of the guard, who they said had sustained minor injuries.
Authorities have urged citizens to stay away from the valleys and open areas due to unstable weather.
"It was a real Dakar stage, a little bit like in the past in Africa, where it was not only a question of speed but it was also a question of strategy, just to adapt the speed to the condition of the tracks,” Peterhansel said.