AFP is reporting that 70 people, including children between 3- and 12-years-oldwere victims of food poisoning Monday in a recreation center in Houilles.

Three children and one adult were transported to the hospital "for observation" and a dozen other victims had to be hospitalized.

Children who do not show symptoms have been returned to their families.

The origin of the food poisoning appeared to be meals delivered by a central kitchen, and tests are underway to identify the causative agent of intoxication.