People and private guards wear masks while gather outside a hospital, where victims of toxic gas leak, are treated in Kamari neighborhood of Karachi, Pakistan, Monday, Feb. 17, 2020. A toxic gas leak killed five people and sickened dozens of others in a coastal residential area in Pakistan's port city of Karachi, police said Monday. The source of the leak, which occurred on Sunday night, and the type of gas that had leaked were not immediately known. There was no suspicion of sabotage. (AP Photo/Fareed Khan)
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