Police are investigating two collisions that occurred simultaneously at 4:40 am June 16, 2007. Two separate dwellings in the 400 block of Boychuk Drive were struck by vehicles that had recently been stolen from the same area of the city. Both of the stolen vehicles were half ton trucks. Two males were arrestted in the vicinity. A twelve year old young offender is being treated at hospital for chest injuries and the eighteen year hold was arrested and broght to detention. The damage to the homes is extensive. Investigations are continuing into the whereabouts of the the other two persons responsible.