ISLAMABAD - Muttahida Qaumi Movement (MQM) has decided to file review petition, challenging the Supreme Court’s verdict regarding delimitation of constituencies in Karachi, reported a private TV channel on Tuesday. According to MQM’s lawyer Barrister Farogh Naseem, the review petition is being prepared which would be filed within next two days. It is relevant to mention here that the apex court in its verdict directed the ECP to delimit the existing constituencies in Karachi.