A police divisional van has been destroyed after colliding with a tram before smashing into a bollard in Melbourne's CBD.

A police divisional van has been destroyed after colliding with a tram before smashing into a bollard in Melbourne's CBD.

The police vehicle is believed to have collided with the tram on Spencer street and Flinders street around 12:30pm.

The police vehicle is believed to have collided with the tram on Spencer street and Flinders street around 12:30pm.