Afghan unrest sparks aid warning :

Aid agencies in Afghanistan have warned they may become unable to operate in parts of the country once seen as safe because of the intensifying conflict.
A statement on behalf of 100 different non-governmental organisations pointed to a 50% increase in insurgent attacks compared to last year.
Aid agencies were increasingly becoming targets, the NGOs said.
This June saw more attacks on aid agencies than in any month since the overthrow of the Taleban in 2001.

Nineteen of their staff have been killed so far this year - more than in the whole of last year.