The Sasago tunnel, which falls 50 miles from the West Tokyo collapsed leading to deadly fire at the place. Nine people were confirmed dead and two were seriously injured in the accident. The tunnel was 2.8 miles in length and was built on the Chou Expressway, which connects the city of Tokyo to the Western Japan.

The highway operator, Central Nippon Expressway (Nexco) officials said that the metal rods used in the concrete panels may have loosened causing the devastating accident at the place. The rescue operation is on as the vehicles that were smashed by the collapse are being removed from the way. The accident happened on Saturday night at 11 pm.

The government has launched immediate investigation to look into the causes of the accident while it has ordered to check all the tunnels across the country to make sure they are safe to go through. Japan government is promising to take care of the victims, as of now.

"The Prime Minister ordered the transport ministry to put the efforts to rescue victims, to investigate the cause of the accident and to establish measures to prevent similar accidents", said the Chief Cabinet Secretary of Japan, Osamu Fujimura at a news conference on Monday.