In Chad's far-flung east, a "dire need" for water blights lives and fuels deadly violence over access to wells in an impoverished and sweltering desert region.

Rapid urban development and a growing population, estimated by local officials to be more than 500,000 inhabitants, have accentuated the problem

In Chad's far-flung east, a "dire need" for water blights lives and fuels deadly violence over access to wells in an impoverished and sweltering desert region.