Zia Dorani, spokesman for Kandahar police, said the explosives were planted in a motorcycle and exploded near a police station in center of Kandahar province.
Samim khapalwak told presses that the incident left three dead including one woman and a police officer.
He also confirmed the injuries of 13 others in the incident, adding two of whom are police officers and the rest as civilians.
The incident took place in center of Kandahar province and the target was a police station, Official said.
Local officials put the responsibility of the incident on Taliban, but Taliban has yet to make any comments.