According to Metro Source:

Police in the town of Tonawanda are looking to the public for help in locating a missing girl. Police say 15-year-old Valentina Kolock was last seen when she was dropped off at Kenmore West High School last Thursday morning. It's believed that the girl is traveling with a male acquaintance.

She is described as 5 feet and 8½ inches tall, weighing about 140 pounds, with dyed burgundy hair.

Anyone with information about Valentina's whereabouts is asked to contact Det. Ray Marello at rmarello@tonawanda.ny.us or 716-879-6640. You may also call the front desk at 716-876-5300 to report any information.