Ottawa police are investigating a collision involving two motorcycles that sent three people to hospital.

The crash happened shortly after 3 a.m. Saturday, near Richmond.

Three people were taken to the trauma centre with serious, but non-life threatening injuries.

Ottawa paramedics say a 36-year-old male is sufffering from head injuries, a 30-year-old male with head and multi-traumatic injuries, and a 28-year-old woman with multi-system trauma.

Eagleson Road between Brophy Drive and Ottawa Street is closed until further notice.

Motorists are advised to find an alternate route.