Sharifullah Fazli, the district governor of Kama, and two of his security guards were wounded in a blast in the eastern province of Nangarhar on Thursday morning, a security official, who wished not to be named, said.
The incident happened in Behsud district in Nangarhar province when a magnetic IED bomb attached to the district governor's vehicle was detonated, the source said.
Local officials have not commented on the incident.
No group has claimed responsibility for the blast.