An argument between two brothers escalated near the southern Italian city of Naples on Wednesday, resulting in a 65-year-old man being decapitated. The man’s 59-year-old brother was detained at the scene after calling police, authorities in the small village of Pannarano said on Thursday. The incident is believed to have occurred after the elder man, a widower, returned to the area from Rome after retiring to live in his family home alongside his brother. The deadly argument began on Wednesday around 10 pm [2000 GMT]. Police reports suggest the younger sibling stabbed his brother to death befo…