A security official said initially reports indicate the blast was triggered by a Vehicle-borne Improvised Explosive Device (VBIED).
Initial reports suggest nearly 200 people have suffered injuries in the attack but the number has not been officially confirmed by the officials so far.
A police official confirmed that the target of the blast was a unit of the Afghan Intelligence, National Directorate of Security (NDS) in Pul-e-Mahmood Khan area.
An NDS official said the target of the attack was not the 10th directorate of the Afghan Intelligence, National Directorate of Security (NDS) but the VBIED was detonated near the security directorate for the prominent figures.
Sediq Sediqi, spokesman for the Ministry of Interior, said the CRU forces are currently conducting search and clearance operations to make sure the assailants are not left in the area.
He said a large number of the civilians were killed or wounded in the attack but did not provide the exact number.
The Taliban claimed responsibility and said the suicide attack was carried out by the group. -KP
THE PASHTUN TIMES