A 4-year-old boy drowned in a private pool in McLean over the weekend, Fairfax County police said.

The child from Silver Spring was attending a party at a home in the 900 block of Douglass Drive on Saturday, police said. Officers were called to the home around 9:10 p.m. for a reported drowning. Another child saw the boy in the pool.

Officers located the boy in the backyard, where adults were performing CPR, police said. The boy was transported to a local hospital, where he was pronounced dead. Police did not release the boy’s name.

Fairfax County police reminds parents to follow water-safety guidelines.

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