LUCKNOW, March 30 -- Even as the search for the cause of death of five rehab centre children and hospitalisation of others continues, Lucknow district magistrate Vishak G on Saturday said, "The sansthan (Nirvan Rajkiya Bal Griha Visheshikrit) has raised waterlogging and sewage issues."

"The investigation is covering various parameters," he added.

Food and water samples have also been sent for testing, and results of all are awaited.

He further said, "Eighteen food samples have been collected for testing and sent to the Food Safety and Drugs Administration, and microbial tests for the water are underway."

He also said that sewage and waterlogging issues have been identified at the facility, and an estimate has been prepared for the ins...