MQM Deputy Parliamentary Leader in National Assembly, Haider Abbas Rizvi, on Monday denied that the MQM has anything to do with the letter allegedly written by MQM chief Altaf Hussain in 2001 to the then British Prime Minister, Tony Blair, demanding him to get Inter Services Intelligence (ISI) disbanded. While talking to journalists outside the Parliament House, Rizvi said that the letter presenter by Zulfiqar Mirza in his press conference last month was 'concocted and MQM had nothing to do with it.