UPDATE: Police say 17-year-old Charlie Barton has been located and is safe.
==============================================
Police in northern Virginia are continuing their search for a missing teenager they say may be experiencing a mental health crisis.
Fairfax County police say 17-year-old Charlie Barton was last seen on Saturday at 6 a.m. in the 6800 block of Perry Penney Drive in Annandale.
Barton is 5-feet-6-inches tall and weighs 170 pounds. Police say he was last seen wearing red shorts.
Anyone with information is asked to call police at 703-691-2131.