Initial report counted at least two killed and further 27 wounded.
Tariq Arian, spokesman for the Interior Ministry, said the terrorists around 5:50 a.m. has initially detonated explosives embedded in a vehicle, near the police special unit in the province.
According to Arian, the insurgents launched gunfire against security forces and faced heavy retaliation, which prevented their attempt to entering the unit premises
Source : Afghan Voice Agency(AVA)