Two children from two different families were playing on the bank when they escaped the vigilance of their parents. The eldest, aged around twelve, was finally quickly found in the area.

But the two girls, aged 5 and 6, fell into the water. One was quickly rescued by an Argenteuil firefighter, who was off duty, but the youngest is missing. “An atrocious scene”, testifies on social networks Audrey, who “saw the mother arrive on site in a state of shock”