Narasimhulupeta (Warangal), Aug. 9: Diarrhoea is rampant in remote tribal villag-es in Narsimhulapet mandal of Mahbubabad revenue division in Warangal district.

Sanitation has deteriorated due to the recent heavy rains. Drinking water has been contaminated and seasonal diseases like malaria, diarrhoea and viral fevers have spread in interior places.