Hyderabad, Feb. 22 -- At least eight workers were trapped in the Srisailam Left Bank Canal (SLBC) tunnel and three others seriously injured after its roof collapsed on a three meter stretch near Domalapenta in Nagarkurnool district of Telangana on Saturday.

The incident took place at the 14th-kilometer mark of the left tunnel, where ongoing construction work had started just four days ago.

Around 50 workers were present in the tunnel during the first shift when the roof collapsed at approximately 0830 hours. While 42 workers managed to escape, eight others were trapped in the tunnel.

Officials from the irrigation department and police have launched rescue operations to locate and save the workers.

Gurjeet Singh (Punjab), Sanneet Singh...