Houston Silver Alert: Authorities searching for 84-year-old Mary Louise Johnson

HOUSTON - A Houston Regional Silver Alert has been issued for a missing woman who was last seen early Thursday morning. 

Authorities are searching for 84-year-old Mary Louise Johnson. 

Mary Louise Johnson

Johnson was last seen around 2 a.m. on foot in the 8300 block of Constellation Lane in Houtson. 

Officials said she was last seen wearing a nightgown, but it's unclear what color. 

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If you have any information on where Johnson is, contact the Houston Police Department at (832) 394-1840.