An injured policeman is treated at a hospital in Quetta, southwestern Pakistan, on Aug. 8, 2021. At least two policemen were killed and over 10 others injured when a blast went off in Quetta city on Sunday night, according to hospital and police officials. (Photo by Asad/Xinhua)

Security personnel inspect a blast site in Quetta, southwestern Pakistan, on Aug. 8, 2021. At least two policemen were killed and over 10 others injured when a blast went off in Quetta city on Sunday night, according to hospital and police officials. (Photo by Asad/Xinhua)

A security member inspects a blast site in Quetta, southwestern Pakistan, on Aug. 8, 2021. At least two policemen were killed and over 10 others injured when a blast went off in Quetta city on Sunday night, according to hospital and police officials. (Photo by Asad/Xinhua)

Security personnel inspect a blast site in Quetta, southwestern Pakistan, on Aug. 8, 2021. At least two policemen were killed and over 10 others injured when a blast went off in Quetta city on Sunday night, according to hospital and police officials. (Photo by Asad/Xinhua)