A 45-year-old man has been detained from Gorakhpur for allegedly threatening to kill Prime Narendra Modi and Uttar Pradesh Chief Minister Yogi Aditynath calling the UP-112 helpline, police said on Monday.

Deoria Kotwali SHO DK Mishra said the call was made late Sunday night to the UP-112 helpline number by a man who introduced himself as Arun Kumar, a resident of Bhujauli Colony of the city.