An argument between two groups of prisoners in Tihar over the use of phones escalated on Friday, a knife was out and two undertrial prisoners were injured after they were stabbed, said officials. Lovely (22) and Lavesh (22), who were in the same cell, were accused of murder in the same case in 2020. During the investigation, police found that one group – comprising prisoners inmates Lokesh, Nitin, Himanshu, and Abhishek — had a scuffle with Lovely and Lavesh over the use of the phone in the cell, said officials.…