The injured have been taken to hospitals in Senigallia and Ancona. Many of the injured suffered crushing wounds.
According to the media report, there was panic spread after pepper spray was fired inside the club in the town of Corinaldo.
The ‘Lanterna Azzurra Club’ was hosting a concert by rapper Sfera Ebbasta and up to 1,000 people were thought to be inside.
About 1,500 people were injured in 2017 in Turin after a firecracker sparked a stampede at a public screening of the Champions League final.