At least three teachers have died and 15 more people have been wounded after a roadside bomb hit a bus carrying university staff in Afghanistan.
Professors and staff from Al-Biruni university were travelling through Charikar, the capital of Parwan province, about 70km (43 miles) north of the capital Kabul.
No group has claimed responsibility.
Afghanistan has seen increasing violence in recent weeks as the US and Nato prepare to withdraw all troops.
The deadline for the withdrawal is 11 September – 20 years to the day since the attack on the World Trade Center in New York. In the months which followed, the US and its allies invaded Afghanistan, forcing the Taliban – a hardline Islamist movement – from power and beginning an almost two-decade long war.
Saturday’s blast happened at around 15:15 local time (10:45 GMT), Bagram police reportedly said.
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