 During the filming, Charles Hawtrey (I) (qv)s mother would often  visit the set. While enjoying a cigarette, she accidentally dropped  lit ash from the cigarette into her handbag. Joan Sims (qv) who  was the first to spot the incident yelled, "Charlie Charlie, your  mothers bag is on fire!". Charles Hawtrey (I) (qv) poured his cup  of tea into the bag, snapped it shut, and carried on.