[stock photo]  Police in Vancouver are searching for a man accused of beating a woman and then kicking her in the head after she asked him to wear a mask.  The Vancouver Police Department says the victim was walking at the track between Hudson's Bay High School and Clark College Wednesday morning when the man started following her, adjusting to her pace and keeping within close proximity.  The woman asked him to put on a mask, prompting him to allegedly start screaming obscenities at her.  The woman then left and headed back to her car, but the man allegedly followed her and began assaulting her, hitting her in the head, ribs and back.  He then kicked her in the head once she fell to the floor.  Police have released an image of the man and the woman who was with him.  Anyone who recognizes him is urged to contact police.