JOHANNESBURG, Gauteng - An Ekurhuleni Metro Police equestrian unit officer (horseback patrol) has arrested a car thief he had caught trying to steal his mom-in-law's carThe officer, a police spokesman said on Friday, arrived at his mother-in-law's house on Thursday afternoon (June 26 2014) and scared a man fiddling with the dashboard of her car into running for a silver Ford Focus parked nearby, accomplices inside.He never made it - his pals drove off and left him behind.WARNING SHOTSThe spokesperson said: "Realising that a potentially dangerous situation was developing the metro officer was compelled to give a warning shot.”The Focus was driven away - without the fleeing thief, who slipped and couldn't make it to the getaway car. More police arrived and the man was arrested after fleeing down Voortrekker Road.Another vehicle, this one a silver Ford Fiesta, also sped away from the scene and police believe it too car belonged to a group of car thieves.The spokesperson added that the arrested man was wanted in Katlehong, 35km east of Johannesburg, for alleged involvement in a series of hijackings, attempted murder, business robberies, theft of motor vehicles and theft from vehicles."PATROL GONE WRONGIn another separate case - this one not funny - two traffic cops were shot and wounded in Heidelberg, south-west of Johannesburg, Gauteng police said on Friday. They were patrolling the R550 on Thursday night when a white VW Golf overtook them on a barrier line. The officers signalled the car to stop but it sped off.The spokesman explained: "The traffic officers gave chase. One of the occupants of the suspect vehicle 'protruded through the window and started firing several shots towards the traffic officers' vehicle with a rifle'."Both traffic officers... sustained serious injuries and were taken to hospital."The car drove off and a case of attempted murder had been opened.