Mr Altaf described the team as a fact finding mission, and said it has now left Afghanistan.

BBC: News | South Asia | Pakistan and Iran work for Afghan peace

Altaf Hussain, leader of the MQM party that controls Karachi, addressed supporters from London last Sunday after Pakistan's general elections.

BBC: Pakistan MQM's Altaf Hussain attracts UK police interest

However, PCB chief executive Salim Altaf told BBC Radio 5 Live he is expecting a revised itinerary from the Bangladesh cricket authorities in the near future.

BBC: Pakistan's tour of Bangladesh off

Tariq Altaf, a spokesman for the Pakistani foreign office said his country was quite encouraged by the response it has been getting from Iran and that Pakistan intended to push the idea of working more closely with Tehran.

BBC: News | South Asia | Pakistan and Iran work for Afghan peace

On Sunday, PTI's Mr. Khan said that he held the leader of the MQM, Altaf Hussain, who lives in self-imposed exile in London, responsible for the killing of Ms. Hussain, as well as the British government, for providing him shelter.

WSJ: Karachi Killing Shakes District Amid New Vote