Fentanyl vials, needle mark found in Kolkata nurse death probe

A probe into the death of Kolkata's NRS Medical College on-duty nurse has taken a new turn after police found three fentanyl vials and needle mark on her left hand. The vials belonged to the hospital. Police are examining whether she suffered a fentanyl overdose, accidentally or deliberately. Her mobile phone, CCTV footage and post-mortem findings are being examined as the investigation continues.