BBC Proms festival goers faint in sweltering Royal Albert Hall
![BBC Proms festival goers faint in sweltering Royal Albert Hall](https://static.independent.co.uk/2021/03/17/17/rah_30165426238%20%282%29.jpg?width=1200&auto=webp)
A sudden thump can be heard twice around 15 minutes into a live recording of the Beethoven performance
A sudden thump can be heard twice around 15 minutes into a live recording of the Beethoven performance