GREATER NOIDA, April 9 -- A major health scare has gripped Greater Noida West after around 500 residents of Ajnara Homes Society in Sector 16B fell ill within a span of two days, raising serious concerns over a potentially contaminated water supply.

The high-rise society, located in Sector 16B, reported a sudden spike in cases of vomiting, stomach ache and diarrhoea, with children and elderly residents being the worst affected. Several individuals had to be hospitalised due to the severity of symptoms, said residents.

Residents have alleged that the cause of the widespread illness is the supply of contaminated water, which they claim has been a persistent issue at the society owing to poor maintenance of water tanks.

Chandan Sinha, pre...