The law enforcers apprehended ex-senator Faisal Raza Abidi during a late night raid at his residence in Karachi on Friday
Abidi was arrested from his residence in New Rizvia Society and was moved to an undisclosed location for interrogation. The raid was conducted by a law enforcement agency late on Friday night.
Sources further disclosed that his arrest has been made in connection with an investigation into a high-profile killing which took place in Karachi.
Abidi, known for his firebrand speeches for his former party, Pakistan Peoples` Party, resigned from the Senate in 2014.