from Boston Globe

Police said yesterday that Kerby Revelus had been involved in a fistfight Friday night with a next-door neighbor, a conflict that precipitated the violent knife attack on his three younger sisters in their apartment on Belvoir Street Saturday afternoon.

“We don’t know what the fight was about,” Milton Police Chief Richard G. Wells said yesterday. But “this all came as a result of [that] incident.” (read full story here.