Lady Shri Ram College cancelled regular classes and shifted them online after a 17-year-old girl was allegedly gang-raped at Aastha Kunj Park near Kalkaji Mandir. Police said three men, posing as policemen, allegedly separated the girl from her male friend and assaulted her in a secluded area. All three accused have been arrested, while police are investigating the incident and checking for possible links to other cases.