Two sisters, Lorna Carmichael and Ann Gillespie, have been convicted of assaulting a retired police officer, Alistair Malcolm, and his wife, Catherine Malcolm, at a Jersey Boys show in Glasgow. The incident occurred at the Kings Theatre in April 2022 when Carmichael punched and scratched Alistair, and Gillespie grabbed Catherine, almost causing her to fall down stairs. Alistair complained about their noise, leading to a confrontation where Carmichael lunged at him, causing him to fall. The altercation involved physical violence, with both sisters convicted and fined, highlighting a disturbing incident of violence at a public event.