ISLAMABAD- With the advent of summer, sale of substandard drinks and ice candy has gone rampant in twin cities of Islamabad and Rawalpindi. The small vendors have set up their stalls and makeshift shops in busy commercial places, bus stops and road sides at different points of the twin cities. They use contaminated water for making cold drinks and frozen candies, while hygiene conditions of the glasses and the stalls are also very poor but the concerned authorities are not taking action against the vendors. The citizens, especially school and college students are falling prey to abdominal diseases after consuming the unhygienic food items. The citizens at Pirwadhai and Mandi Mor expressing grave concerns over the situation, said that they have to drink contaminated water and cold drinks made of poor quality sweeteners to beat the warm weather. They said that the concerned authorities of the twin cities should take strict action against the vendors selling unhygienic drinks, and ensure provision of clean drinking water at bus stops and other public places.