The Delhi Police is yet to identify and arrest the second Nihang Sikh who was involved in the killing of a Zomato delivery agent in the national capital's Tilak Nagar on Wednesday night.
Sagar Singh, who worked as a food delivery agent, was killed following a quarrel over smoking a cigarette in the Tilak Nagar, where he had gone to pick up an order.
After picking up the order, the 29-year-old went to the opposite side of the eatery to smoke a cigarette.
But two Nihang Sikhs who were having their rolls there took objection to Sagar smoking.
An argument followed and one of the two Sikh Nihangs stabbed Sagar with his Kripan.
The victim received a stab injury on the left side of his chest.
He was reportedly lying on the road, bleeding for nearly 20 minutes and nobody came forward to help him.
Another food delivery agent, Asif, who had come to pick up an order and had known Sagar for a long time saw his friend lying in a pool of blood.
With the help of the customer who was calling Sagar as his order was getting delayed, Asif alerted the police and the victim's family.
He also took Sagar to a local hospital where the doctors declared him brought dead.
According to the family, Sagar is survived by his wife, who is a lab technician, and a son.?He used to work night shifts as it paid extra.
The accused and the victim were not known to each other.?
Fateh Singh, a relative of the victim, had said the latter was an introvert and had no enmity with anyone.
"We got to know that the quarrel broke out as he was smoking a cigarette. They assaulted Sagar and later stabbed him near his heart. His parents died a while ago and he is survived by his wife and a seven-year-old son. He was an introvert and never used to talk much as he had seen a lot of struggles in his life.
"He did not have an enmity with anyone. His wife works as a laboratory technician. He was staying with his in-laws in a rented accommodation. Sagar was working as a delivery agent for many years," he said.
Police said that based on CCTV visuals, one of the accused, identified as Harshdeep Singh was arrested on Thursday.
The 22-year-old resident of Chander Vihar area is a welder by profession and the murder weapon has also been recovered from him.
According to the police, Hardeep and his absconding co-accused are Nihang Sikhs, members of a warrior order in Sikhism.
Last year, during the farmers' protest in Delhi, Nihangs had triggered nationwide outrage after a protester was beaten up, mutilated body, and was hung on a police barricade for allegedly disrespecting a Sikh holy book.
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