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(CNN) — Three generations of one Afghan family were killed by ISIS last week after militants opened fire on a bus carrying more than 30 people in southern Helmand province.
On March 12, when ISIS fighters started shooting, it was 12-year-old Mohammad Malik who was shot first, followed by his father, Mohammad Reza Khan, at 13 and sister, Razia at 15.
The violence happened at the Shirkat Taliban base in Lashkar Gah, the capital of Helmand province, according to Afghan officials. When police arrived, they found the three militants dead, along with Razia and Reza.
According to the Taliban, 12 others — including Razia’s uncle and Reza’s son — were also killed by ISIS.
Fawzia Paryari, a senior official with Afghanistan’s police special branch, said it was still unclear why the three men were targeted, but that the police had received intelligence about ISIS fighters coming from Pakistan to Afghanistan to carry out attacks in the province.
An investigation is still underway.