Assistant sub-inspector Ravinderpal Singh was shot dead from point blank range in Chehertha locality here following an argument with the assailants, who later managed to escape from the spot in a car, Police Commissioner Ram Singh said.
The key accused has been identified as Shiromani Akali Dal district urban Secretary Ranbir Singh Rana, Singh said, adding that a police team has been dispatched to arrest the accused.
Ravinderpal was rushed to the hospital with heavy bleeding where he was declared brought dead, he said.
He had reached the spot after being informed by her daughter, a bank employee, who had earlier also complained that she was chased and teased by these youths, he said.
According to Singh, she had told her father that the group of youth would regularly intercept her while on her way to office and pass lewd comments.
A 20-year-old girl was stabbed to death allegedly by a jilted lover in east Delhi this evening, police said.