A man carrying a chain over his shoulder allegedly used it to wallop a stranger during an early morning confrontation in Washington state. The terrifying attack took place in Bellingham, about 80 miles north of Seattle, the Bellingham Herald reported Tuesday. A witness snapped a photo of the assailant holding the chain over his shoulder and pointing with his other hand, which helped lead to the arrest Jacob Angelo Sparks, 37, after police posted the image on social media, the Herald said. Cops reportedly found the victim with a bloody gash on his head around 2:05 a.m. Friday after receiving a …