sentences:  A turning point in Cassidy's live concerts (while still filming "The Partridge Family") was a gate stampede at a show in London's White City Stadium on May 26, 1974, when nearly 800 people were injured in a crush at the front of the stage.Thirty were taken to the hospital, and a 14-year-old girl, Bernadette Whelan, died four days later at London's Hammersmith Hospital without regaining consciousness.The show was the penultimate date on a world tour.