A 17-year-old boy died after being stabbed around 2:30 a.m. Sunday in the 5000 block of Nelson Ave., according to Baltimore Police Department. Police are still investigating and did not release the identify the teenager. Police said the teenager and a woman in her 20s were each stabbed during an argument with an unknown man. The teen died at Sinai Hospital, while the woman is expected to survive her injuries, police said.