A singer paying a beautiful tribute to the Queen on Lorraine was suddenly "cut off", leaving viewers startled as they questioned what had happened.
A pair of strangers went viral at the weekend after their spontaneous musical tribute at London Bridge station.
Anna Lapwood, an organist and director of music at Cambridge University, had been joined by security guard and trained opera singer Marcella de Gale as they stunned commuters with their rendition of Lascia ch’io pianga.
