The blast occurred in the port city on Wednesday amid anti-government protests taking place across Pakistan. Police said the explosion came from a cylinder blast at a four-storey building opposite the university. A bomb disposal squad was at the scene to investigate, while the injured people were taken to a nearby hospital.
Journalist Aditya Raj Kaul tweeted: “Three people reportedly killed and 15 injured after an explosion was reported at a building near Karachi University’s Maskan gate in Gulshan-e-Iqbal area of #Karachi.
“Casualties likely to increase.
“More details are awaited.”
The explosion is believed to have taken place on the second floor of the building.
Witnesses reported seeing the windows of nearby buildings smash and some vehicles getting damaged as they were passing by.
Sindh Chief Minister Murad Ali Shah shared his grief for the for those who died and were injured.
He called for more information about what happened from the Police Commissioner of Karachi.
He has also instructed officials to ensure there is immediate medical aid for all those who have been injured.
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