Speaking to The Express Tribune on Monday evening, Nusrat said he was currently undergoing treatment for cancer in the United States.
He added that he had been unable to participate in party affairs for sometime because of his sickness.
"I will become active in the party again after my treatment," he said.
A few weeks back, Nusrat along with other MQM-L leaders held a press conference in London, where they refuted reports of a rifts within the party.
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