Delhi Police on Thursday recovered the knife allegedly used by 20-year-old Sahil to kill the 16-year-old girl in the Shahbad Dairy area, officials said. "Knife used by accused Sahil recovered by Delhi Police," Ravi Kumar Singh, DCP Outer North. On Thursday, Delhi's Rohini Court extended police custody of Sahil, for the next three days.

He was produced at the residence of the judge after the expiry of two days of police custody on Thursday. He was produced at the judge's residence in the morning due to security reasons. Duty Metropolitan Magistrate (MM) Nidhi Chitkara extended the custody of Sahil for three days after hearing the submissions of Delhi police.