NORRISTOWN — A man accused last month of drilling holes in the dressing rooms of a Target store in West Pottsgrove, Pennsylvania, now faces child pornography-related charges after images found on his cellphone depicted underage girls in various stages of undress, according to authorities. Sean Elverson, originally charged with criminal mischief and possessing an instrument of crime, saw charges upgraded on Monday to include invasion of privacy and possessing child pornography, according to court records. Anderson will face a preliminary hearing on the charges at a later date. An inspection of Anderson’s cellphone uncovered 56 images of females that appeared to be taken through a hole similar to the holes found in the fitting rooms at the Target Store in the Upland Square Shopping Center in West Pottsgrove, according to a criminal complaint filed by West Pottsgrove police.