Waterloo Regional Police are investigating a two-vehicle crash in downtown Kitchener.

It happened on Charles Street near Pandora Avenue just after 11 a.m. Tuesday.

Police say one of the vehicles was travelling east on Charles Street when it crossed the LRT tracks and collided head-on with another vehicle travelling in the opposite direction.

One of the drivers was taken to hospital with unknown injuries.

Charles Street was shut down for a short time between Stirling and Pandora.