India, Feb. 3 -- The police on Monday arrested a contractor in connection with the death of three wage labourers while they were cleaning an underground sewage line at the Kolkata Leather Complex on Sunday.

"Alimuddin Sheikh, who hired labourers from various districts for such jobs, has been arrested and taken to Baruipur court. He hired the three men who died," a Kolkata police official said requesting anonymity.

The incident took place after one man fell ill after going down a manhole on a road for cleaning. The other two went down to rescue him. The deceased were identified as Suman Sardar, Farzam Sheikh and Sheikh Hashibur.

A case was registered at Bantala police station after Kolkata mayor Firhad Hakim rushed to the spot and order...