India, July 17 -- A 26-year-old woman was allegedly shot dead by her friend, who then killed himself in north Delhi's Burari on Thursday afternoon, a police officer said.

Police suspect it to be a case of murder followed by suicide.

The woman, a teacher at an MCD school and originally from Uttar Pradesh, lived in a rented accommodation with her younger sister, while the man, in his mid-20s and from Haryana, lived separately. Preliminary probe suggests the two had been in a relationship for around six months, the officer said.

The incident came to light around 4pm when the woman's 21-year-old sister returned home from work and found the room locked from the inside. "She sought help from the landlord and neighbours to open the door. The ...