A 2-year-old girl has died and her twin brother is in critical condition after a pool accident in Sterling, Virginia, police said.
Loudoun County police said a family member found the children unconscious in a pool at a home located on Acorn Court.
Both children were taken to Inova Loudoun Hospital in Leesburg.
The girl died at the hospital, police said. A 2-year-old boy remains in critical condition.
A family member said the two children are twins.
