19-yr-old Juan Diaz Contreras faces murder charge in fatal stabbing of 20-yr-old Robert Wright-Day; two others charged with assault and battery.

19-year-old Juan Diaz Contreras from Fitchburg faces a murder charge in connection with the fatal stabbing of 20-year-old Robert Wright-Day in Leominster. Two others, Edgar Perez-Tuero and Christian Santiago, are charged with assault and battery. All three are expected to be arraigned in Fitchburg District Court. The stabbing occurred at Riverside Village Apartment complex on State Street.