"It is very difficult to know whether they were aid workers."

At least 26 aid workers have been killed this year.

There, aid workers said, at least 17 people had been killed this week.

But at least they would offer better protection for aid workers.

Aid workers answer your questions on the east African food crisis.

But school might be the best therapy for now, teachers and aid workers said.

Aid workers said at least 6 people were killed and 20 wounded.

Aid workers said you couldn't drive down the street without stopping to move the dead to the side of the road.

But doctors, aid workers and international officials here say medicine is not getting through.

"We can't have any number of aid workers running around in conflict areas," he said.