The incident occurred in the Clearwater Project, which is designed to carry treated, clean wastewater from the Joint Water Pollution Control Plant to the ocean. And, the collapse of the tunnel was reported just before 8 pm near the intersection of South Figueroa Street and Q Street.

Wilmington tunnel with 31 workers collapses in Los Angeles — Here’s what happened next

Telangana Chief Minister Revanth Reddy visited the site of the Srisailam Left Bank Canal (SLBC) tunnel collapse in Nagarkurnool district on Sunday, where eight workers remain trapped following the collapse of the tunnel roof on February 22.

Telangana tunnel collapse: Telangana CM Reddy visits tunnel collapse site

The rescue operation at the partially collapsed Srisailam Left Bank Canal (SLBC) tunnel in Telangana has entered its sixth day with eight workers still trapped inside. Watch this report for more details!

Telangana tunnel collapse: Minister Uttam Kumar Reddy says rescue ops to end in 2 days

Telangana Tunnel Collapse: Uncertainty over survival of eight trapped

Rescue operations are underway to evacuate the eight workers trapped in Telangana's Srisailam Left Bank Canal (SLBC) tunnel. Watch this report for more details!

Telangana Tunnel Collapse: Race against time to save trapped workers

India News | Rescue operations for eight workers trapped in the tunnel collapse in Telangana have entered the fourth day, with no communication established yet.

Telangana tunnel collapse: 'Not able to communicate' with trapped workers as rescue efforts enter 4th day

Telangana Tunnel Collapse: Rescue operation intensifies as 8 workers remain trapped

Telangana Tunnel Collapse: 8 workers remain trapped as rescue efforts continue

Rescue teams continue efforts to reach workers trapped in the Srisailam Left Bank Canal tunnel in Nagarkurnool, Telangana. Eight labourers are feared to be trapped inside. Watch this report for more details!

Telangana Tunnel Collapse: 8 feared trapped, rescue underway

Uttarakhand's Silkyara-Barkot tunnel, site of miracle rescue, collapsed 19 to 20 times in last 5 years: Report

When the U.S.-made auger machine failed to drill through the debris, Indian rescuers took matters into their own hands. The last stretch of the drilling was done manually via the rat-hole mining technique. In India's mission deliverance, men defeated machines.

Gravitas: Man defeats machines | Rat-hole mining saved trapped workers when machines failed

Indian rescuers bring out all 41 men who were trapped inside a Himalayan tunnel for 17 days after a marathon operation to free them. The breakthrough came after rat miners were brought in last evening and manually dug the last stretch. Watch this story to know how the workers were successfully pulled out.

Uttarakhand tunnel rescue: All 41 trapped workers successfully rescued, taken for health check-up

After a dramatic rescue operation which lasted for 17 days, the 41 mine workers who were trapped in a tunnel in India's Uttarakhand have now been airlifted to the premier all India Institute Of Medical Sciences in Rishikesh where their health condition is said to be stable.

Uttarakhand tunnel rescue: Survivors airlifted to AIIMS-Rishikesh

Rescuers in India have freed 41 workers who were trapped in a collapsed Himalayan tunnel for 17 days. Miners drilled the final section by hand to reach the workers in the 4.5 km (3-mile) tunnel in Uttarakhand.

Uttarakhand tunnel rescue: Mission successful, India rescues its workers

Uttarakhand tunnel rescue: PM Modi praises workers, says 'they showed great courage'

Two weeks into the operations that began to rescue 41 trapped workers in a tunnel in India's Uttarakhand, agencies have now decided to use manual tools and hand tunneling methods to reach the workers. After the augur machine that was being used collapsed a team of 11 specialist have been flown in from Delhi for this. Also, with horizontal drilling facing multiple issues, the teams are now resorting to vertical drilling.

Slight rain in Uttarakhand troubles Silkyara tunnel rescue efforts, operation intensifies

Uttarkashi Tunnel rescue operation: Rescuers within 5 metres of reaching 41 trapped workers

The 17-day long wait ends. The first batch of workers are being rescued from the Silkyara tunnel in Uttarakhand, India. All trapped workers to be rescued from the tunnel in the next 2 hours Watch the link to know more.

BREAKING | Himalayan tunnel rescue successful, billion prayers answered, workers rescued

Two weeks into the operations that began to rescue 41 trapped workers in a tunnel in India's Uttarkhand, agencies have now decided to use manual tools and hand tunneling methods to reach the workers. After the augur machine that was being used collapsed a team of 11 specialist have been flown in from Delhi for this. Also, with horozontal drilling facing multiple issues, the teams are now resorting to vertical drilling.

Uttarkashi Tunnel Rescue Operation: 6 miners called in for manual drilling

Big sigh of relief, as trapped workers being rescued from uttrakhand tunnel. Rescuers had drilled through debris to reach the group of 41 trapped workers. The men had been stuck in the 4.5-km (3-mile) tunnel in the mountainous state of uttarakhand since it caved in early on november 12.

Uttarakhand tunnel rescue: Workers being pulled out through a narrow pipe of 90cm

Rescuers are meters away from the workers stuck inside a tunnel in Uttarakhand's silkyari for the last 17 day. Ambulances and helicopters are on standby as the rescuers wait to pull out the workers on strectchers..Who will be sent to a makeshift hospital immediately.

Uttarakhand tunnel rescue: Rescuers uses rat-hole mining to reach workers

Rescuers achieved major breakthrough in Uttarakhand tunnel rescue operation, 41 workers trapped in the tunnel since Nov 12 are expected to come out soon. NDRF confirmed the safety of all workers.

Uttarakhand tunnel rescue: NDRF performing evacuation mock drills

The NDRF conducted a press briefing in which a senior rescue official said that it will take atleast 5 minutes to pull out one worker. That means that the entire exercise of pulling out trapped workers from debris of tunnel could last for 3 to 4 hours.

Uttarakhand tunnel rescue: Green corridor from tunnel to hospital set up for the workers

Rescuers achieved major breakthrough in Uttarakhand tunnel rescue operation, 41 workers trapped in the tunnel since Nov 12 are expected to come out soon. As drilling through the debris is completed.

Uttarakhand tunnel rescue: Green corridor to be set up to evacuate trapped workers

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