and also represented Australia at the 1996 Summer Olympics; and Darren Hartley Sporn, a father of two daughters, who owned a plumbing business. Approximately 400 people were advised by the tunnel's safety system to abandon their cars, to leave their keys in the ignition, and to evacuate the tunnel after the collision. The accident occurred after a truck suffered a blown tyre and stopped in the left lane. Safety systems allegedly closed the left lane and a response vehicle was on its way to assist the broken-down truck. Two cars traveling in the left hand lane had come up behind the broken-down truck and were attempting to merge into the center lane. Another truck travelling in the left lane above speed limit, came up behind them and also attempted to merge to the right, but it failed to either stop behind the stationary vehicles or merge successfully. It then collided with vehicles in both the left and middle lanes, resulting in a multi-vehicle pile up involving 4 cars and three trucks. It is believed an explosion resulted from the ignition of a ruptured fuel tank of a vehicle involved in the crash. Footage of the accident can be viewed in this link. The following traffic came to a stop and approximately 200 vehicles became stranded inside the tunnel. The Public Address & Radio Rebroadcast Systems advised motorists to turn off their ignition, leave the keys in, and to evacuate the tunnel. Emergency exits are located throughout the tunnel and lead to separate pedestrian tunnels. Some motorists walked the 1 km back along the roadway to the western tunnel entrance. Approximately 400 people were evacuated, three of whom were taken to hospital. Hundreds waited at the tunnel's west entrance until emergency services advised it was safe to remove their vehicles. The tunnel suffered some damage to cables and other internal infrastructure, but is believed the structure was undamaged by the fire. Eighty-four firefighters responded within five minutes of the crash occurring and emergency personnel were able to gain access to the Burnley tunnel on foot via a separate emergency tunnel linking the Burnley to the Domain tunnel. Fire hoses were carried through to the crash site while emergency vehicles were stationed in the Domain Tunnel. A number of fire appliances were transported contra-flow from the exit portal of the tunnel to the crash site. The deluge system was activated instantly and