KARACHI: A key leader of the Muttahida Qaumi Movement-London (MQM-L) and an assistant registrar of the University of Karachi were released on Monday, sources in the party told Daily Times. MQM-L key leader Sathi Ishaq and assistant registrar of University of Karachi, Arif Haider were detained by paramilitary forces, during separate raids last week. Arif Haider was arrested during a raid conducted at his office in Karachi University on Thursday. Later on Friday, Ishaq was also arrested during a raid in Saddar area when he was in his car on his way to home from his office. Both of them were later shifted to undisclosed location for further questioning, however, law enforcement agencies, particularly remained tight lipped over MQM-L leaders and workers apprehensions. Sources in the party told Daily Times that both Ishaq and Haider were released. Not only Ishaq and Haider, but more than two dozen workers of the party were also apprehended during various raids allegedly conducted by Rangers in other parts of the metropolis. This move came after the Pakistan Qaumi Movement, in collaboration with the MQM-L announced to hold a public rally from Ayesha Manzil to Mazar-e-Quaid on January 21 where MQM-L chief Altaf Hussain’s address from the participants was also expected. On Monday, one more worker, namely Adil belonging to the MQM-L was also apprehended during a raid by law enforcers in Landhi locality. The party worker was later shifted to undisclosed location for further questioning ; however, none of the law enforcement agencies have disclosed his arrest.