A 38-year-old man was killed at his residece in the early hours of Tuesday in Antop Hill area here, police said.
A hotelier from Pune was arrested in the case late at night.
The incident took place around 2.30 am when the victim, Anand Narayan, was alone in his seventh-floor flat in Panta Galaxy building, a police official said, adding that his neighbours alerted police after hearing his cries for help.
Narayan, a former marketing officer with a news channel, was found lying in a pool of blood with his throat slit. He was rushed to government-run Sion Hospital where he was declared dead before admission, the official added.
CCTV grabs showed three persons entering the building around 2 am.
Late at night, police detained Sarang Patharkar, a hotelier from Pune, for questioning, and later arrested him.
It was not yet clear what role Patharkar allegedly played in the crime and what could have been the motive.
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