US police hunting for actress Jennifer Hudson's missing seven-year-old nephew say they have found a boy's body in a car they were seeking in the case.
Julian King has not been seen since Hudson's mother and brother were found shot dead in their Chicago home.
Police issued a search alert for Julian and the 1994 white Chevrolet Suburban vehicle after Friday's discovery.
There is no confirmation of the body's identity. Hudson has offered a $100,000 reward for her nephew's safe return.
In Washington, FBI deputy director John Pistole said at a news conference that the authorities had found a body "who we believe to be the missing victim in Chicago, the nephew of Jennifer Hudson. We are working with Chicago police to get a positive identification of the victim".
Police confirmed the white vehicle was one they were looking for
Aerial pictures showed the vehicle being photographed by police and then towed from West Side, Chicago.
Police later said the licence plate number matched the number listed in an earlier police alert issued about the boy's disappearance.
Earlier, Chicago police spokeswoman Monique Bond said detectives were working around the clock on the case.
"There's a lot of forensic evidence. We have to work the evidence and try and solve this case. Most importantly, we want to find the child," she said.
Julian's mother Julia, Jennifer Hudson's sister, found the bodies of Darnell Donerson, 57, and Jason Hudson, 29, at the family home.
Julia's husband, William Balfour - the boy's stepfather - has been arrested. No charges have been laid.
He was transferred from police custody on Sunday to the Illinois Department of Corrections "based on his active parole violation unrelated to this investigation," a corrections spokeswoman told AP.
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Omg this is so sad :( :crying: RIP to all three of them :( x