The incident happened on Scrabo Road on Wednesday afternoon.
Councillor Kellie Armstrong said: “Today our community is waking up under a dark cloud, as news of this tragic accident spreads.
“The death of this young boy has devastated many and my thoughts are with his extended family at this time.
“One death on our roads is one too many, and I would urge all drivers to take extra care, especially on the dark mornings and winter nights and around schools.”