Two other attacks occurred elsewhere in Afghanistan on Wednesday.
Nicholson also noted that the Taliban has stepped up their attacks with an announced spring offensive, but violence is still about ten percent under levels seen past year.
In Kabul, the gunmen who attacked the Interior Ministry were either shot dead by police or died when they detonated their explosives, Danesh said.
The Taliban claimed the attack.
In the meantime, a police official said on condition of anonymity "that three policemen including PD1 police chief and three traffic police were killed in the attack and five civilians were wounded".
Police also said they had found a auto stuffed with explosives and guns at Kabul's worldwide airport near the interior ministry on Wednesday.
On Tuesday, Taliban fighters overran the center of Chora district in the southern province of Uruzgan.
"He is a very thoughtful guy [and] a very analytical person", Mr. Sedney said of Gen. Miller, with whom he worked closely during the two-star general's stint as head of all US special operations forces in Afghanistan in 2013.
There have also been numerous attacks on government buildings and at police checkpoints.