The local fire brigade said someone might have sprayed a substance like pepper spray into the crowd, triggering a panicked rush to the emergency exits.
Carabinieri paramilitary police Col. Cristian Carrozza said the dead teenagers' ages ranged from 14 to 16 and the woman was 39. At least 12 people who were injured in the incident are said to be in serious condition.
Poggiali said he didn't have any immediate confirmation from survivors that the use of an irritating spray, like pepper spray, had set off the panic.
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Tyson Fury has revealed that he wants his highly-anticipated rematch with Deontay Wilder to be staged at Old Trafford next summer. Both Fury and Wilder have expressed their desire to compete in a rematch after the three judges ruled in favour of a draw.
Around 1,000 revellers are believed to have been in the club. "The bouncers told us to go back", he said. At one point, one of the side barriers collapses under pressure and sends several people falling on each other.
A teenager who survived the terrifying ordeal told Italian media: "We were dancing and waiting for the concert to start when we smelt this pungent odour". Some 40 others were less seriously injured, Poggiali said.
Some survivors were quoted by Italian media as saying at least one fire exit was blocked when concertgoers tried to get out.
Fiat Panda gets zero-star Euro NCAP safety rating
It is only the second auto ever to handed a zero-star Euro NCAP rating, with the other vehicle being the Fiat Punto 2017 . It had the dubious honour of being the only vehicle in the safety organisation's history to end up with such a result.
Bill Cosby Blamed For "Baby It's Cold Outside" Radio Ban
Since then, Canadian broadcasters Bell Media, CBC Radio and Rogers Media have also made a decision to drop the song this year. Loesser said she was upset about the furore because "it's a song my father wrote for him and my mother to sing at parties".
SpaceX sends Dragon to ISS but makes unplanned water landing
It's the first time that's happened since the groundbreaking launch of the company's Falcon Heavy spacecraft in February . Most recently, a Falcon 9 that launched from California included a booster with two previous launches under its belt.
Trump says he'll nominate William Barr to be attorney general
Barr later worked as a corporate general counsel and is now of counsel at a prominent worldwide law firm, Kirkland & Ellis LLP. President Trump could pick William Barr , who has already led the Justice Department, as his next attorney general.