A 9-year-old boy died after entering the water behind an IKEA store in Brooklyn.

Surveillance video showed the boy exiting the store and walking toward the Erie Basin Pier just before 9 p.m., when the store closed, police said.

IKEA did not immediately respond to PEOPLE’s request for comment.

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Abida Sultan said her son was playing when he suddenly vanished, according to WABC and WCBS.

The family spent 30 minutes looking for the missing boy before checking the cameras, she told the outlet.

Hasebul enjoyed bodies of water, his mom said, per the outlets. She planned to take him to see the river after their visit to the Red Hook furniture store.

The family has been interviewed, but police do not suspect any criminal acts are associated with the boy’s death, per the reports.

A cause of death has not been released, according to the NYPD. An investigation into the incident is ongoing.

“I used to have so much fun with him,” his brother Abibul Dehan said per WABC. “I loved him, I’ll miss him.”

source: people.com