Pune, April 27 -- Three workers died after entering a water drainage tank at a mushroom processing unit in Pune district on Sunday evening, as per the Pune Rural police.

According to the officials, the incident took place at a mushroom company in Belasar village of Purandar taluka under the jurisdiction of Jejuri Police Station at around 4:30 pm.

The police said that one worker had entered the drainage tank to clean it, but did not return. Sensing trouble, two other workers went down one after the other to rescue him, but they too failed to come out.

Locals then rushed to the spot and, with the help of a JCB machine, broke open the concrete slab covering the drainage tank and pulled out the three workers. They were immediately taken to...