Dozens of labourers have been trapped in the Silkyara-Barkot tunnel in the mountainous state of Uttarakhand for more than two weeks

The fate of 41 Indian workers trapped in a collapsed mountain tunnel hung in the balance on Monday as rescuers began a “risky” attempt to drill vertically down to try to pull them out.

The labourers have been trapped in the Silkyara-Barkot tunnel in the mountainous state of Uttarakhand for more than two weeks after a landslide caused the entrance of the tunnel to collapse and become blocked with a wall of concrete rubble, debris and metal.

Efforts to free 41 workers stuck in tunnel for almost two weeks hit another setback as earth-boring machine breaks down

Indian rescue workers have brought in a new digging machine to open a vertical shaft to free 41 men trapped inside a collapsed road tunnel, after efforts via another route hit a snag metres away from them.

In the latest setback in attempts to rescue the increasingly desperate workers, who have been trapped for almost two weeks, engineers driving a metal pipe through 57 metres (187ft) of rock and concrete ran into metal rods and construction vehicles buried in the earth.

Drilling machine stalls metres away from where men have been trapped for 13 days since roof collapse

Hopes are high that in a few hours’ time the 41 workers who have been trapped in a tunnel for 13 days in north India will emerge to freedom and fresh air.

The mood at the scene – where heavy machinery and a more than 200-strong rescue team have been toiling without a break – was upbeat after a monumental and torturous operation.

Ambulances are on standby in the state of Uttarakhand to take the workers for treatment, as families of trapped describe feeling optimistic

The rescue operation to free 41 construction workers trapped for nearly two weeks in a collapsed tunnel in northern India has run into trouble in the final stretch of digging.

According to officials, some blades of the drilling machine were damaged by a metal object lodged in the debris.

Some of the 41 men stuck for over a week seen standing in confined space as rescuers prepare to resume drilling

The first images have emerged of 41 men trapped for more than a week in a highway tunnel in the Indian Himalayas, showing them standing in the confined space and communicating with rescue workers.

The men have been stuck in the 3-mile (4.5km) tunnel in Uttarakhand state since it caved in on 12 November and are safe, authorities said, with access to light, oxygen, food, water and medicines.

The 41 workers have spent almost 200 hours inside the tunnel as fears for their health and safety mount

Indian officials have warned that 41 construction workers who have been stuck inside a collapsed tunnel for over a week could be trapped for several more days, as various rescue efforts have failed so far.

Fears for the health and wellbeing of the workers continued to mount, having spent almost 200 hours confined inside the dark tunnel cavity in the state of Uttarakhand.

Authorities say cracking sound caused ‘panic’ at site in Uttarakhand where 41 men remain trapped

Indian rescuers have paused efforts to reach 41 men trapped in a collapsed road tunnel after a cracking sound created a “panic situation” over the possibility of a further cave-in.

Excavators have been removing debris from the tunnel in the northern Himalayan state of Uttarakhand since Sunday after a section that the workers had been building collapsed.

Group of 40 trapped underground for 72 hours with rescue efforts hampered by boulder falls and machinery faults

Fears are mounting for 40 construction workers in India who have been stuck in a collapsed tunnel for more than 72 hours, as rescue efforts are hampered by fresh debris and those inside begin reporting illness.

The road tunnel, which was under construction in the mountainous state of Uttarakhand, collapsed in the early hours of Sunday after a landslide.

Entrance to Silkyara tunnel collapsed in early hours of Sunday with dozens of workers inside

A huge operation is under way to rescue 40 construction workers trapped after a tunnel partially collapsed in the Indian state of Uttarakhand.

The entrance to the Silkyara tunnel, which was under construction as part of a road project in Uttarkashi district, collapsed in the early hours of Sunday morning while dozens of workers were inside.