A four year old boy died shortly before midnight last night when he fell from the fourth floor of a building on the calle Alonso de Aragón in Zaragoza´s Delicias district. A five year old autistic boy was killed at around 7pm on Monday evening when he fell from a seventh floor balcony of a building on the calle Concepción Saiz de Otero in the city´s Actur district. Autopsies will be performed in both cases and police are investigating the circumstances leading  up to the tragedies.