The incident happened on Thursday night when the victim, C Ilaiyaraja (37) of Kondithope, was returning home through Saravanan Street. He was intercepted by Thamizharasan, who threatened him at knifepoint and robbed him of the phone. Based on his complaint, the Seven Wells police registered a case and secured the suspect with the help of CCTV footage. Similarly, the Tiruvanmiyur police arrested a 26-year-old man for snatching phone from an MTC commuter. The accused, K Charlin of Chittoor, snatched the phone from one J Praveen (23) of Mylapore when the latter boarded an MTC bus at Jayanthi theatre signal at Tiruvanmiyur on Wednesday night. Charlin who ran behind the bus as if to board snatched Praveen’s phone and fled the spot. The Tiruvanmiyur police registered a case, secured the suspect and remanded him in judicial custody.