MULTAN:-Armed motorists shot at and injured two policemen during snap-checking here on Tuesday. According to police, policemen during snap-checking signalled to stop a suspected car near Vehari Chowk here. The car riders, instead of stopping, fired gunshots on the policemen, injuring two cops including Ashraf and Tasawar. The attackers managed to flee the scene. The police registered a case against unidentified culprits and started investigation.