Koppu, 25, a student from Telengana, was shot dead at the restaurant during what appeared to be a robbery. He had come to the US in January and was doing his master's in computer science at University of Missouri-Kansas City.

Three people were killed and two others were wounded in a shooting in downtown Lawrence, US state of Kansas, authorities said on Sunday.

External Affairs Minister Sushma Swaraj has expressed pain over the killing of an Indian-origin businessman killed in South Carolina in the US.

Just last month 32-year-old Indian engineer Srinivas Kuchibhotla was killed in a hate crime incident when 51-year-old US Navy veteran Adam Purinton opened fire at him and his friend Alok Madasani, yelling "get out of my country".

The victim, Harnish Patel, was killed on spot after he was shot by an unidentified assailant outside his house. Patel ran Speedee Mart in Lancaster and had closed his shop on Thursday when the tragedy occurred.

The last rites of Indian techie Srinivas Kuchibhotla, who was shot dead in the US last week in a suspected hate crime, would be performed Tuesday at Jubliee Hills, family members said.

The families of an Indian engineer who was killed and another who was injured in the firing by an American in Kansas have blamed the policies of President Donald Trump for the incident.