A terrace collapsed during Sunday lunch in via Canneto, in the Petraro district of Santa Maria la Carità, injuring four people.
Emergency services and law enforcement attended the scene following the collapse.
The four injured people were taken to three hospitals: two to San Leonardo in Castellammare di Stabia, one to Ospedale del Mare in Naples and one to Cardarelli.
The causes of the collapse were still being investigated at the time of the report.