The woman, whom we are calling FM to protect her identity, was returning home from a hospital appointment with her 11-year-old son. She asked her son to pass over his phone so she could call the police. P*** off, rat,” Chalmers called. Rat c***.”FM moves to get the bus stop number from the shelter to relay it to the officers on the phone. Glasgow mum FM (Image: GordonTerris/Herald&Times) The police arrived after around ten minutes, and Chalmers was arrested.