In a tragic incident, three sanitation workers died due to asphyxiation while cleaning a manhole at Kulsumpura on Friday evening.
The deceased persons are M Srinivas, 40, V. Hanmanth, 42, and M. Venkateshwar Rao, 40.
The police said Srinivas, a sanitary worker, and a couple of other workers were hired to clean manholes by a company.
On Friday evening Srinivas opened the manhole cover, lost his balance and fell into it. His co-workers Hanmanth and Venkateshwar Rao jumped into the manhole to save Srinivas but fell unconscious as they inhaled the poisonous gas and died,” Kulsumpura sub-inspector B. Manmohan Goud told