Former Sindh Home Minister Zulfiqar Mirza said Friday that the MQM was behind his removal as the Home Minister, report said. Speaking to the media at the CM house, Mirza said that MQM Chief Altaf Hussain had requested President Zardari to remove him from his post six times. He added that target killings were taking place in the city to get him removed and that everyone knew who was behind the extortion taking place in the city.