Hisar: A 21-year-old woman died and her friend seriously injured in Hansi on Saturday night after they fell from an office building near Brahma Kumari Ashram at Kali Devi Temple.The incident reportedly occurred during a party. Deceased Rajni was a resident of Kalanaur. The injured youth, Hisar resident Vikas (26), is being treated at a private hospita, where his condition is stated to be critical.According to police, five people were partying in an office building when an argument broke out between two youths after drinking alcohol. Rajni and Vikas tried to intervene and stop the fight. During the scuffle, both lost their balance and fell out of a window.Rajni died on the spot, while Vikas sustained serious injuries. His companions rushed him to a hospital in Hisar for treatment.DSP Vinod Shankar and Hisar City police station in-charge Sukhjeet Singh reached the spot along with a police team and initiated an investigation.Police said the entire incident was captured on a nearby CCTV camera. The footage shows the group arriving at the building in a car, entering the office, and later the woman and the man falling from the window in quick succession. The remaining friends are seen rushing downstairs and taking the injured to the hospital.