Five labourers who were injured in the inceident were rushed to the civil hospital, Yamunanagar where four of them were declared brought dead while the fifth had been referred to PGIMER, Chandigarh, Yamunanagar's Deputy Commissioner, Ashok Sangwan said.
The labouers died in the incident were identified as Rania (55), Gaurav (23), Vijay and Ravi. All the labourers hailed from Salempur village.
The District Commissioner has ordered a magistrial inquiry into the incident.