A 46-year-old Indian-American man in New Jersey has been arrested and charged with murder for stabbing his wife to death in their apartment while the couple's three children were asleep.

Nitin Singh was charged with murder, aggravated assault and unlawful possession of a weapon.

Singh is accused of stabbing his wife Seema Singh, 42, multiple times last week and has been remanded to the Salem County Correctional Facility in default of bail of a million dollars cash, the Pennsville Police Department said.

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A report in NJ.com said Singh was found covered with blood standing over his wife's body in their kitchen when emergency personnel arrived early Tuesday morning, according to Pennsville Chief of Police Allen Cummings.

Cummings said Singh himself had called 911 seeking help for his wife.

The couple's three children - two boys, aged 16 and 6 and a 5-year old girl - were taken from the apartment through a side door so they did not see the crime scene in the kitchen, authorities said.

Source: b'Source: Pennsville Police'

The children were taken to the Pennsville police station and state protective services workers took custody of them, the report said.

"This is a very horrific scene. It's a situation where there are children involved and they have lost their mother and their father is probably going to be incarcerated," Cummings said.

Singh's wife was pronounced dead at the scene and had been stabbed multiple times in the face, chest and abdomen. While authorities are investigating the cause of the murder, police have indicated it could have been some sort of domestic dispute.

Cummings said that Pennsville police had never been called to the Singhs' apartment for any type of domestic troubles in the past. The Singhs owned the building where the murder took place and had owned a convenience store in the locality.

Neighbours expressed shock at the murder, saying it was hard to believe Singh could commit such a crime. "He's the nicest person I ever met. I never heard any type of fighting going on. They never raised their voice or anything," Singh's neighbour George Hemple said of him.