How did a truck crash into an idle TTC bus?

The tangled wreckage left from a fatal collisioninvolving a commercial van and an idle TTC buson Tuesday is a confusing sight.

How did it happen?

How did the truck end up on the right side of a bus, which was already stopped on the right side of the street?

Using eyewitness and police statements, CBC reviews what is known so far about the events of the crash in the following diagrams.

A cube van travelling eastbound on Steeles Avenue crossed the lane divider into westbound trafficat the street lights at Middlefield Road.The driverlost control and veered toward theright side of an idling TTC bus.

The vanended up between a TTC bus shelter and the bus, hitting the bus on theright side and continuing into a hydro pole. The pole was severed from the ground, and the shelter appeared undamaged.

A woman boarding the bus at the front was struck and killed. Another woman, who had exited at the right rear door of the bus, was also struck. She is in hospital with life-threatening injuries.

Witnesses reported the truck travelling at a high speed and that the driver was on a mobile phone during the collision. Police have not confirmed either report.