This fatal single vehicle crash was heard overnight by residents from blocks away in the Bloor Street and Islington Avenue area.

Police were early today cleaning up acrash site in which one person was killed after a vehicle hit a pole at a high rate of speed.

Officers were called shortly before 3 a.m. on August 14 to reports of a horrific collision at Bloor Street and Lothian Ave., just east of Islington Ave.

Police said a vehicle was travelling at a high rate of speed westbound on Bloor Street when it lost control and hit a light post.

One person was pronounced deceased at the scene, police said.

Another occupant was transferred to hospital in critical condition with unknown injuries.

The cause of the collision is unknown but speed is believed to be a factor.

Police believe the vehicle was travelling at a high rate of speed.

“I would say that the vehicle was exceeding 100 kilometres an hour if not more,” an officer at the scene said.

Eastbound lanes on Bloor Street were closed in the area as police investigate.

Anyone with information or dash camera footage of the area is asked to contact police or Crime Stoppers anonymously.

The investigation is continuing into the cause of the crash but police say speed was a factor.