A man fatally stabbed a woman and a dog, injured 3 others on the Beltway near DC before a trooper killed the suspect

By Cindy Von Quednow, Sarah Dewberry, CNN (CNN) — A man stabbed four people, one fatally, before he was shot and killed by a Virginia State Police trooper on the Interstate 495 Beltway near Washington, DC, Sunday afternoon, authorities said. A dog was also stabbed to death during the incident, Virginia State Police said in