People gather near the blast site in southern Pakistani port city of Karachi on April 21, 2011.  (Xinhua/Arshad)
At least 15 people were killed and over 30 others injured in a blast that ripped through a gambler den in the old city of Karachi in southern Pakistan late Thursday night, reported local Urdu TV Channel Geo, adding that the blast was of a suicide nature.


VietNamNet/Xinhuanet