Mattapan 13 hours ago Man killed in Mattapan shooting No word yet on any arrests. Follow NBC10 Boston: https://instagram.com/nbc10boston https://tiktok.com/@nbc10boston https://facebook.com/NBC10Boston https://twitter.com/NBC10Boston US & World Videos 2:45 Volunteers from Mass. helping with Helene recovery efforts 0:46 Packed memorial service in Methuen for late Mayor Neil Perry 3:53 Cooler temperatures in New England on Sunday 4:27 Cloudy Sunday in New England 1:44 Steward Health CEO to step down