(Portland, OR)  --  Police are searching for a man accused of trying to abduct a 13-year-old girl in southeast Portland.  Police say the girl was walking along Harold Street near the I-205 underpass Saturday evening when a man in a white utility van drove up to her and started talking to her, asking for her phone number.  The girl says she ignored him and kept walking, prompting the man to get out of the van and try to grab her.  Police say the girl hit him in the face, causing him to flee.  Anyone with information is urged to contact police.