French Government confirms no known hostage situations, however they don’t know if the driver had accomplices that are on the loose.
Looks like the crowds were fairly well spaced out along the route and the killer may have driven for 2000m before beinng stopped by police gunfire.
This street gets very crowded during this day. Fireworks just started. In 1998, when I was there, it was very crowded drunk crowd. Lot of armed officers from Army, local police and other branch. Today, it must be same, should be well protected by armed law enforcement officers.