An Indian-origin couple and their two children were found dead at their residence in New Jersey state of the US, media reports said.

According to reports, police have started investigating the matter as homicide.

The bodies of Tej Pratap Singh, 43, and his wife, Sonal Parihar, 42, were found alongside their 10-year-old son and 6-year-old daughter in their Plainsboro home Wednesday afternoon, reports New York Post.

"On October 4, 2023, at approximately 4:37 P.M., authorities received a 911 call requesting a welfare check at a residence on Titus Lane in Plainsboro. Upon their arrival Plainsboro Police Department discovered four deceased victims in the house: Tej Pratap Singh, 43, Sonal Parihar, 42, and their two children a 10-year-old male and a 6-year-old female. This tragedy remains under investigation and autopsies are being performed today," read a statement issued by Middlesex County Prosecutor Yolanda Ciccone and Chief Eamon Blanchard.

An initial investigation lead by Detective Will Atkinson of the Plainsboro Police Department and Detective Javier Morillo the Middlesex County Prosecutor’s Office determined that there is no threat to the public, the statement said.

Meanwhile, neighbours described the family as friendly.

A woman, who did not want her name to be mentioned, told NJ she had been friendly with the family for more than a decade.

The woman said her daughter usually met the 6-year-old girl at the bus stop to ride to school together every morning.

“It was weird for me to not see her in the morning,” the neighbour told NJ. “They were such a sweet family.”