At least five Afghan children and two German soldiers are reported to have been killed in a suicide bomb attack in northern Afghanistan.
Several other soldiers were wounded.
The assault took place in the northern town of Kunduz. Bomb attacks are rare in the relatively peaceful north, most of the violence centering around the mainly Pashtun south and east of Afghanistan
It comes a day after a British aid workers was shot dead in the capital Kabul by two Taliban gunmen, who accused her of trying to spread Christian propaganda.
Violence has surged this year in Afghanistan. At least 4,000 people have been killed since the start of the year, a third of them civilians. A growing number of attacks have targetted aid agency workers, forcing many to restrict their work or to leave.