Two more people fell prey to violence and torture in Karachi in the wee hours of Monday. According to police, a body of unidentified man was recovered from the roof of a flat in Gulshan-e-Iqbal Block-6, Pakistan''s (Geo TV) reported. A man was injured in firing by identified miscreants and succumbed to injuries in hospital. Meanwhile, thirteen people were killed in firing and torture incidents in different parts of the metropolis on Sunday. According to police, most of the bodies recovered from different areas had torture marks.