Police have said one person is dead after a shooter opened fire in Falls Church, Virginia.
Police later indicated that they weren't sure if the shooter had killed themselves. They also said that there were no other injuries to report.
Fairfax Country Police called on residents to avoid the area having evacuated an office block in the vicinity.
A group of preschool children were reportedly in the building where the shooting occurred, but police did not make immediately clear if the children were all safe. A reunification area for the children was set at Luther Jackson Middle School.
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