An Amber Alert has been issued for a missing 8-year-old boy. Peel Regional Police say Matthew Zhang was last seen by his father yesterday morning. His father dropped him off to see his mother at Mississauga Valley Boulevard. Just before 5pm, the mother, Wei Chen, refused to return the boy. Police believe the victim’s mother may have took off with him. Matthew is described as 5-feet tall with a thin build and black hair last seen wearing a SKY BLUE WINTER COAT WITH FLOURESCENT GREEN HOOD. BLACK SHORT SLEEVE T-SHIRT, GREY NIKE RUNNING SHOES. The mother drives a grey Honda Accord, licence plate A-V-A-M 0-0-9. She is 5-foot-6 with black medium-length hair. Police are concerned for the boy’s safety and say the mother doesn’t have custody and can’t care for the boy. Anyone who has information is asked to contact investigators at 905 453 2121 ext. 1233. Information may also be left anonymously by calling Peel Crime Stoppers at 1-800-222-TIPS (8477).