A man wielding an imitation firearm caused an armed police callout to a Dunedin street yesterday. A police spokeswoman said Dunedin police were called to Marama St in Musselburgh at 11.30am following reports of a man holding a pistol while inside a vehicle. Armed police attended the incident as a precaution, the spokeswoman said. The 32-year-old man was taken into custody and the pistol was discovered to be an imitation firearm. He was arrested and charged with unlawfully carrying an imitation firearm.