On August 29, 2011, during a two hours media briefing, former Senior Pakistan People's Party leader Dr Zulfiqar Mirza had levelled serious allegations against MQM, mainly Altaf Hussain and Interior Minister Rehman Malik.
The main allegations are like as:
Altaf Hussain wanted to disintegrate Pakistan on US wishes;
Altaf Hussain wrote a letter to the then British Prime Minister Tony Blair asking him to bust ISI;
MQM behind the violence in Karachi and Altaf Hussain is a murderer;
Declared Interior Minister Rehman Malik as an agent of CIA and a compulsive liar;
Accused Federal Interior Minister Rehman Malik of siding with the killers and misleading the party leadership.