Bengaluru/Kochi, Aug. 26 -- A 22-year-old man was arrested on Monday for allegedly killing a 20-year-old woman he was in a relationship with by stuffing an explosive device into her mouth and triggering it after an argument at a lodge in Karnataka's Mysuru, police said.

According to police, the incident took place on August 23 at a lodge in Bherya village of Saligrama taluk in Mysuru.

"The victim, identified as Rakshita, also known as Darshitha, was a resident of Gerasanahalli village in Hunsur taluk of Mysuru. She was married to one AP Subhash, who works as a bus driver in Dubai, since 10 years and the couple has a two-year-old girl," said an officer familiar with the matter, adding that Rakshita has been in a relationship with accused...