Mysterious poisoning in prison

Staff and prisoners in the Ross Correctional Institution in the US state of Ohio are the victims of a still mysterious poisoning.

Schools in the neighborhood are closed for the time being, that is to say that no one is allowed inside or outside. Some roads have also been closed to traffic, according to the Chillicothe Gazette.

According to the authorities, the situation in the penal institution is under control, but a wing may have to be evacuated.