On Wednesday, a massive explosion took place in a building in Karachi, Pakistan. The four-storey building is situated in front of Maskan Chowrangi of Gulshan-i-Iqbal area in Karachi. At least, 5 people were killed and 20 suffered injuries in the blast. The injured and deceased were taken to Patel Hospital. According to police officials, the explosion was caused by a cylinder burst. The rescue team is rescuing the people trapped under the building rubble.