Gunman Shoots Family Members, Barricades Himself in Home After Firing at Police

A 21-year-old man shot two of his relatives and then barricaded himself inside his home after exchanging gunfire with police in Worcester, Massachusetts.
The victims were taken to a local hospital with injuries not believed to be life-threatening.
Police have surrounded the home but the suspect has refused to communicate with authorities.
Hostage negotiators and mental health experts have been on scene for over 10 hours trying to resolve the situation peacefully.
Roads in the area have been shut down as police monitor the home.