http://www.thebostonchannel.com/news/19036762/detail.html A 23-year-old man stabbed his three sisters, killing two and wounding a third Saturday afternoon, Milton police said. Kirby Revelus was then shot and killed by police officers responding to the home at 7 Belvoir Road after the surviving girl called 911. Killed were Samatha Revelus, 17, and her 5-year-old sister Bianca, police said. A 9-year-old girl who called police was taken to Boston Medical Center. Police did not immediately release her condition, but she is expected to survive.