Uttarakhand Tunnel Collapse: Drilling Intensified To Rescue Workers, Ambulances On Standby. IN PICS

The operation to rescue 41 labourers trapped in an under-construction tunnel in Silkyara on the Char Dham route in Uttarakhand entered its 11th day on Wednesday. (Image Source: PTI)

As per the latest update, 18 metres of drilling is still left before the augur machine can break through the rubble and an escape route for the labourers can be established. (Image Source: PTI)

For an alternate rescue option, workers have also dug about eight metres from the other end of the tunnel. (Image Source: PTI)

After the drilling is complete, the trapped workers will have to crawl to safety through 800-mm diameter steel pipes that have been welded together. (Image Source: PTI)

Around 40 ambulances have been kept on standby at the site. An official said all arrangements have been made, including oxygen cylinders, masks, stretchers, and BP equipment. (Image Source: X/@ANI)

On Tuesday, first visuals of the trapped workers were captured with the help of an endoscopic flexi camera. They were supplied veg pulao, matar-paneer, and chapatis for dinner on Tuesday night through a food pipe. (Image Source: PTI)