Other mistake: There's a horse that has apparently ridden up a cliff, and an electrical burning brand that can be changed onto different flame settings.
Continuity mistake: Near the film's end, Kirk Douglas, in custody, is being walked along a street, his hands fastened behind him. He gets jostled by a horse and his arms instinctively come up to fend off the steed, even though his hands are supposedly tied or cuffed behind him.
Answer: Because it was the train station fire alarm.