5:09 a.m. update:
York Regional Police say the boys and their grandfather have been located 'in good health.' The Amber Alert has ended.
The three were located by Toronto Police driving on Lakeshore Boulevard in Toronto. YRP says the Amber Alert was directly responsible for the boys being located.
3:25 a.m. original story:
York Regional Police are looking for two missing children last seen at the Upper Canada Mall in Newmarket, Ont. at 3 p.m. Wednesday.
Missing are: Harrison and Keegan Laroque
The subject of the Amber Alert is Leo Easton, 70. He is five-foot-ten, 160 pounds with salt and pepper hair.
The vehicle involved is a blue 2006 Pontiac Montana minivan with licence plate BVBP 264.
If you see them, call 9-1-1.