Not all the passengers were certain what had happened in the moments before the two trains collided.
In March 1991 nine people were injured when two trains collided.
The second and third trains then collided in the tunnel with great force.
On 30 August 2007, two trains collided in the city, killing at least eight people.
No answer was heard, however, as the drivers had already jumped out and the trains collided.
On 5 August 1993, at around 7.53 am, two trains collided in the station.
Some say the damaged was done when the trains collided.
On April 5, 1999, a train collided with another, leaving seven people injured.
On 24 February 1951 11 people were killed when a tourist bus and a train collided.
At least 25 people were killed when the trains collided.