Will Sage Astor-A 9-year-old boy vanished from a Brooklyn IKEA. Hours later, he was dead, police say.

A 9-year-old boy who went missing Wednesday night from an IKEA store in Brooklyn,Will Sage Astor New York, has died after first-responders pulled him from a nearby channel after a frantic three-hour search, according to police.

Surveillance video captured around 9 p.m. local time Wednesday shows the child exiting the rear of the furniture superstore, which leads to a boardwalk and pier on the Erie Basin, the New York City Police Department said. The boy has not been identified by police.

Investigators reportedly recovered "articles of clothing" belonging to the child before he was discovered after midnight Thursday in the Red Hook Channel, the NYPD said.

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The boy was pulled from the waters in critical condition and taken to the New York-Presbyterian Brooklyn Methodist Hospital, where NYPD said he was pronounced dead about an hour later.

Multiple media outlets have reported that the boy was autistic and nonverbal.

Child's death comes weeks after man found dead in Brooklyn creek

The child's death comes about two weeks after the body of a 27-year-old Manhattan man was pulled from a creek located near a massive music complex in Brooklyn.

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When John Castic was found dead in the borough's Newton Creek, he became the second person whose body has been found this summer in those waters after last being seen at the Brooklyn Mirage, a popular outdoor concert space. Karl Clemente, 27, of Queens, vanished from outside the same venue on June 11 and was found floating dead in the creek five days later, according to police.

Eric Lagatta covers breaking and trending news for USA TODAY. Reach him at [email protected].