BROCKTON, Mass. — Prosecutors say a Massachusetts man has been indicted on accusations he was on drugs when he collided head-on into another vehicle, injuring a pregnant woman so badly that she lost her unborn baby.The Boston Globe reports (http://bit.ly/1KUEXTm ) Plymouth prosecutors say the 24-year-old Carver man was indicted Wednesday on charges of operating under the influence of drugs, among others.