Brighton kidnapping: Real or prank?

Boston Police aren't sure. They report that around 4 p.m. today at 18 Tremont St. in Oak Square, two witnesses:

... reported that they observed three individuals wearing sweaters, camouflaged clothing and ski masks drag a white male off the sidewalk and push him into van. The witnesses alternatively described the suspects’ vehicle as a dark colored van (possibly blue or gray) or SUV and gave a partial registration # of 3528 or a variation thereof belonging to a Virginia license plate ...