A woman was taken to hospital in Prince Albert, Sask., after the car she was driving was hit by a water-filled balloon, smashing the windshield.

The driver of the car was taken to hospital for treatment of injuries she suffered when her windshield was smashed with a water balloon. (Prince Albert Police Service)

Police say the woman was driving into Prince Albert on Highway 55 when at around 10:45 p.m. CST, a water balloon was launched from a vehicle leaving the city.

The balloon struck and shattered her front windshield.

The driver was taken to hospital, where she was treated for minor injuries, according to paramedics.

Police are investigating. They said they think the vehicle involved with tossing the balloon was travelling with other vehicles.