Local officials have said that a motorcycle laden with explosives went off this morning at a market in Yahyakehl district of the eastern Paktika province.
At least three people were killed in the incident and six others were wounded, according to officials.
Some nearby buildings were also damaged due to the explosion.
No group has yet claimed responsibility for the attack.
This comes amid other explosions that shocked several parts in capital Kabul and Helmand province on Saturday.