A suicide attack in the Afghan city of Kunduz has killed 16 people, including 11 policemen, the city's deputy police chief says.
The attacker had targeted officers who had gathered to provide security for a demonstration, he added.
At least 20 civilians are reported to have been injured. Police have now closed off the scene.
Last month 12 people died in Kunduz province in one of several blasts at the end of the Muslim month of Ramadan.
There were many shoppers in the area at the time of Monday's attack, a police spokesman told the BBC's Bilal Sarwary in Kabul.
The death toll could rise, Kunduz province Samiullah Qatra said.
Initial reports suggest that the demonstration was in support of a local warlord.
Ambulances have taken some people to a nearby hospital.
There is concern over Afghan forces' capability to combat continued violence ahead of the forthcoming withdrawal of Western forces from the country.
