Shimla, April 8 -- Four labourers sustained serious injuries following an explosion in a furnace at an industrial unit in Kala Amb-a major industrial hub in the Sirmaur district of Himachal Pradesh on Tuesday.

A case was registered against the management under relevant sections of the law, based on a complaint filed by one of the labourers. The police registered the case based on a written complaint submitted by the complainant, 42-year-old Amarjeet, a resident of Dera village in Ambala.

Apart from Amarjeet, three other individuals who were injured in the accident are identified as 32-year-old Omkar hailing from Jharkhand, 19-year-old Usman hailing from Uttar Pradesh and 35-year-old Kashidas hailing from Bihar. All of them sustained sev...