Kabul’s deputy governor and his assistant have been killed in a blast in Afghanistan, police say, adding that a sticky bomb was attached to his car by unknown assailants.

Deputy Governor Mahboobullah Mohebi was travelling to work on Tuesday with his security guards when a bomb attached to his vehicle detonated, the interior ministry said.

Afghanistan’s TOLO news, quoting Kabul police, reported on Twitter that “Mohibullah Mohammadi, the deputy governor of Kabul, and his secretary were killed in a blast from an IED placed on their vehicle”.

No group has claimed responsibility for the blast in which two of Mohebi’s guards were also injured.