New Delhi, Aug. 25 -- The Delhi High Court has expressed serious concern over untreated sewage continuing to flow into the Yamuna and observed that several gaps in Delhi's sewage management system need to be addressed to prevent further pollution of the river.

The Court also took strong exception to the condition of the open Abul Fazal drain in Okhla, observing that it was running without protection and could pose a "serious safety hazard" to residents and commuters.

A Division Bench of Justices Prathiba M. Singh and Manmeet Pritam Singh Arora, in an order dated August 24, directed the authorities to step up measures relating to sewage treatment, drainage and redevelopment of industrial areas, stressing that untreated sewage must not di...