KARACHI- An attempt of terrorism in Karachi was foiled today, when a bomb planted in the city's main oil tanker terminal was defused by the Bomb Disposal Squad (BDS). Police said a magnetic bomb, weighing around 800 grams, was attached to an oil tanker parked in terminal at Keamari, a coastal locality of Karachi near the city's busy port. The bomb disposal squad (BDS) secured the area and defused the bomb with a blast detaching the explosive material from the oil tanker.