Media reports said, the collapse of the main highway tunnel in Japan, some vehicles retention, killing at least seven people are missing.
Survivors describes large chunks of concrete on the fall in Sasago tunnel.
Fire, rescue workers have found some burned body.
At 08:00 (Beijing time 23:00 Saturday) started, about 80 km (50 miles) west of Tokyo on the road, it links to Nagoya event.
The tunnel is one of the longest in Japan.
'fear'
Pictures in the tunnel from the closed circuit television show, some as high as 100 meters (328 feet), falls on the Tokyo in ShanLiXian central freeway traffic line.
To continue reading the main story
Picture: Japan tunnel collapse
Thick black smoke blew out of the tunnel, hindered the rescue, it had to stop for several hours, for fear of further collapse.
The recovery, the first death was found.
ShanLiXian police spokesman told AFP: "many burned body inside confirmed death toll is don't know."
Distress is a truck driver, and those who have died.
The British broadcasting company rupert Winfield hayes said, in Tokyo, CCTV images show in the collapsed roof part of the rescue workers move freely.
He said, there have been media said, took three hours to reach the scene of the landslide rescue service, criticized.
A woman doing her way in and out of the tunnel, said she was a van and five others, but he added: "I don't know what happened, people I don't know how many vehicle front and behind us."
Driving through the tunnel NHK radio reporter description, because it begins to collapse, see the other car trapped fire. His car was badly damaged, he said.
Another survivor told BBC said, he saw "the specific parts of the ceiling fall off, suddenly when I drove on the inside, I saw the fire, from a broken car".
Survivors wisdom bo suzuki said: "A part of the ceiling, wide roads, the collapse of straight down, in the middle broken into V."
He and his family left an hour to come out, smoke deterioration.
"I heard that the public broadcast system, the fire happened in tunnel and automatic sprinkler system is activated after a period of time, he said:" the current communication club.
"I didn't know when the fire will spread, and to catch up with us," suzuki said.
Dual diameter Sasago tunnel estimation of the 4.3 km (4.3 miles) long main highway of Tokyo.
The road has been closed because of the seriousness of this accident.
Our reporter said, there will be a serious problem, about one of the main tunnel Japan's most important traffic arteries is one of the risk of failure, with private company operation of the highway tunnel has been significant checks just two months ago and has given a clean bill of health.
Japan is easy to occur big earthquake, but not in the area in the morning report.
Yuan wide TAKAMISAWA, highway operator, NEXCO said, he believed that the structure failure to blame.
He told Reuters: "between the concrete board, support their thing, it is actually collapse, but also just from a security camera lens."




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