Hyderabad, Feb. 22 -- Shedding more light on the Srisailam Left Bank Canal (SLBC) tunnel roof collapse that occurred earlier in the day, state irrigation minister N Uttam Kumar Reddy informed there are two engineers from Uttar Pradesh, an eractor operator from Punjab, a general operative from Jammu and Kashmir, and four labourers from Jharkhand trapped inside.

Reddy reached the spot where the incident happened in a special helicopter and took stock of the rescue efforts that are currently underway.

Addressing the media, he said at around 8 am, the workers entered the tunnel and turned on the boring drilling machine at a 14 km distance inside the tunnel.

"After drilling to a depth of 20 meters, water began seeping in from one side of th...