In a statement, it said that four crew members of the MI-17 helicopter along with five security personnel were killed in the crash, in the Behsud district of Maidan Wradak province. It gave no further detail except to say that investigations were ongoing.
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Separately Thursday, a bombing killed four state employees commuting in a minibus in the capital Kabul, police said. Ferdaws Faramarz, spokesman for the Kabul police chief, said a woman was among the dead and nine other people were wounded in the attack in the city's north.
No one immediately claimed responsibility for the Kabul attack, but government employees have been targeted before. On Monday, another bombing on a minibus carrying state workers in Kabul killed three women and a 3-year-old child, and wounded 13 others, according to security officials.
Afghanistan is experiencing a nationwide spike in bombings, targeted killings and other violence as peace negotiations in Qatar between Taliban insurgents and the Afghan government stall.
The Islamic State group’s local affiliate has claimed responsibility for some of the violence, but many attacks go unclaimed, with the Afghan government putting the blame on the Taliban. The insurgents have denied responsibility for most of the attacks.
The attack in Kabul comes on the same day Russia hosts the first of three international conferences aimed at jump-starting the peace process, ahead of a May 1 deadline for the final withdrawal of U.S. and NATO troops from the country.
The Moscow conference is seen as a critical first step toward peace. Key players are attending, including U.S. peace envoy Zalmay Khalilzad, Afghan national security adviser Hamdullah Mohib and Taliban co-founder Mullah Abdul Ghani Baradar, who will lead a 10-member delegation. Representatives of Pakistan, Iran, India and China are also participating.