Chikkaballapur, June 30 -- A 26-year-old physiotherapist was found dead under mysterious circumstances at a private homestay near Muddenahalli in Karnataka's Chikkaballapur district, while her boyfriend was found unconscious in the same room, police said.

The deceased has been identified as Sai Surabhi, a resident of Bengaluru. Her boyfriend, Mohammed Sanjeet Ali, a native of Kerala, has been admitted to hospital and remains unconscious.

Police said on Saurday that they are investigating all possible angles, including murder, suicide and poisoning.

Chikkaballapur Superintendent of Police Kushal Chowksi, who visited the scene, said it was too early to determine the cause of death.

"There were no visible external injuries or blood-relat...