New Delhi: Three people killed and 15 injured in an explosion after a four-story building opposite the Karachi University Maskan gate in Gulshan-e-Iqbal, according to Pakistan media. All injured people and deceased have been taken to the nearby Patel hospital, officials said. However, Mubina Town police SHO said that it "seems to be a cylinder blast", adding that the bomb disposal squad is arriving to verify the cause of the explosion. The blast is suspected to have taken place on the second floor of a building. Eyewitnesses reported that windows of nearby buildings as well as some vehicles were also damaged. A day earlier, five people were wounded when a bomb exploded at the entrance of a bus terminal near Sheerin Jinnah Colony. This is a developing story.