A 19-year-old migrant labourer suffocated to death while he was working inside a pipeline being laid for the Alappuzha Drinking Water Scheme at Ambalappuzha junction near here on Thursday.

The police said that the deceased has been identified as Isahak, son of Sreenivas of Thiruvarur in Tamil Nadu. He collapsed due to suffocation during the pipe-laying work and was rushed to the Alappuzha Medical College Hospital. But he died at the hospital. The body has been kept at the mortuary of the Alappuzha General Hospital. The Ambalappuzha police have registered a case of unnatural death.