MONROVIA >> Police are seeking a 16-year-old Monrovia girl suffering from mental illness who left home in her guardian's car Wednesday.
Briana Ysenia Valenzeula was last seen about 9:20 p.m. Wednesday, Monrovia police officials said in a written statement.
She was believed to have her guardian's vehicle -- as a silver, four-door, 2011 Buick Regal with California license plate 6NYL096.