Corinaldo - Six people died and dozens were injured in a stampede when panic broke out during a rap concert at an Italian nightclub Saturday morning, the fire service said.
Media reports say the suspected use of a pepper spray-like substance sparked the chaos at the venue in the town of Corinaldo, near Ancona in central Italy.
"The cause may have been the dispersal of a stinging substance, the young people fled and trampled over each other. Sadly, six people died and dozens are injured," the fire service said in a statement on Twitter.
The victims include five people under the age of 18 - three girls and two boys - and an adult woman who accompanied her daughter to the concert, media reports say.
They said 12 of the injured were in serious condition.