At least seven people, including one assailant, were killed and 20 others wounded after two blasts and ensuing gunshots rocked Jalalabad city, capital of eastern Nangarhar province, on Sunday.
Earlier, he said the attack had been carried out by four attackers and that there had been two explosions.
Heavy security forces arrived at the spot of the attack.
Attahullah Khogyani, spokesman for the governor of Nangarhar province, said eight civilians, including three finance department employees, were killed in the vehicle bomb attack.
Tigers split doubleheader against Mariners
Castellanos was hit on the hand in last night's game, but X-rays confirmed there's nothing seriously injured. In the first game, Matthew Boyd (2-3) allowed three runs and three hits in six-plus innings for the Tigers.
There were multiple blasts as they fought off security forces in a gun battle that lasted much of the day. Then more explosions were then heard coming from inside the building, witnesses said.
According to the local Ashna Radio, a suicide-car bombing followed an exchange of fire at the directorate.
At least nine people, including a child, had been killed and 36 wounded, public health officials said.
Jalalabad is the capital of restive Nangarhar, which borders Pakistan.
Ford could resume F-150 production at two plants next week
Ford has sold 287,000 F Series trucks in the United States in the first four months of this year, up 4% compared to a year ago. Also Friday, Mercedes said it ran out of Meridian parts at its SUV plant near Tuscaloosa, Alabama.
April saw a series of attacks across the country targeting voter registration centres as Afghanistan gears up for long-delayed legislative elections due in October.
There has been no immediate claim of responsibility.
But the Islamic State group has also stepped up attacks in recent months, particularly in Kabul.
Merkel reaffirms commitment to Iran nuclear deal
President Donald Trump's "America First" foreign policy and his hectoring of European NATO allies for allegedly spending too little on defense.