Nine aid workers killed in Afghan attack

                          

At least nine people were killed in northern Afghanistan in an attack on an NGO compound by unknown gunmen, officials have said.

An official from the northern Balkh province told Al Jazeera that the gunmen attacked the compound in Zari district.

Deputy provincial police chief Abdul Razaq Qaderi told AFP news agency that two guards and seven aid workers were among those killed, including one woman.

Police were responding to the incident but had not reached the compound yet.

No group has claimed responsibility for the attack.