Max Pearson presents a collection of this week’s Witness History episodes from the BBC World Service.We hear about Osmondmania! The moment in 1973 when teenage fans of American heartthrobs, The Osmonds, caused a balcony at Heathrow to collapse.Also, we find out about the first peace walk in Cambodia and how it united a country torn apart by war.Plus, the birth of Lagos Fashion Week and how it put Nigerian design on the global map.Contributors: Donny Osmond. Josephine McDermott, BBC producer and presenter. Yeshua Moser-Puangsuwan, organiser of Cambodia’s first peace walk. Parul Akhter, a sewing machinist who survived the Rana Plaza building collapse. Oscar Maynez, a forensic scientist who used to work in the Mexican border town of Ciudad Juarez where hundreds of young women were kidnapped or killed. Paula Flores, the mother of one of the murdered girls. Omoyemi Akerele who organised the first Lagos Fashion Week.(Photo: Donny Osmond greets fans at Heathrow airport. Credit: George Stroud/Express/Hulton Archive via Getty Images)

Ask this episode

“What did the council decide on item 42?” — answered with the speaker and the moment.