A Nihang Sikh allegedly killed a young man, over claims of sacrilege, at a gurdwara in Punjab's Kapurthala district on Monday night. The Nihang, identified as Ramandeep Singh, posted a video on social media of the young man and took responsibility for the killing. Police officials are on the spot. Ramandeep Singh claimed the man had said he had been sent to commit sacrilege. The accused has locked himself inside the premises of the Chaura Khooh gurdwara in Phagwara town, senior police officer Gurpreet Singh was quoted by news agency ANI. "A Nihang Sikh killed a youth at Gurudwara Shri Choura Khooh Sahib over suspicions of sacrilege. Investigation is underway," he said.