NEW BEDFORD, Mass. — A woman has been stabbed to death in New Bedford.Authorities say police responding to reports of a woman screaming and bleeding found the victim outside a residence at about 1:30 a.m. Monday.The victim, identified as 34-year-old Chantel Bruno, of Wareham, was taken to Sat. Luke's Hospital where she was pronounced dead at about 2:30 a.m.There was no immediate word of an arrest.