Muttahid Qaumi Movement (MQM) leader and key accused of Baldia Town Factory blaze, Hammad Siddiqui was arrested in Dubai on Friday. According to a private TV channel report, Hammad Siddiqui whose 'Red Warrants' have already been issued was arrested in Dubai. Main accused of Baldia factory tragedy, Abdul Rehman alias Bhola who was admitted by Interpol in Bangkok had admitted before the investigation team, that he deliberately set ablaze the Ali Enterprise factory in September 2012 on the instructions of MQM leader Hammad Siddiqui, killing at least 259 workers at the garment factory in Karachi's Baldia Town area.