KARACHI: Sindh Home Minister Ziaul Hassan Lanjar on Monday claimed that four suspects, including a mastermind behind the suicide bombing near Karachi airport that targeted a convoy of Chinese engineers, have been apprehended, reported Express News. Speaking at a press conference in Karachi alongside Sindh Inspector General (IG) Police, Ghulam Nabi Memon, Minister Lanjar provided details of the attack. The …