ARLINGTON (CBS) — Police say a 13-year-old girl from Arlington has been missing since Saturday and may be heading to Nashua, New Hampshire.

MacKenzie Timmons was in a program in the town before she went missing, according to the Arlington Police Facebook page.

Timmons is described as a white girl, stands about 5-foot-4-inches tall, weighs 135 pounds, has brown hair and green eyes. She was last seen wearing gray sweatspants and a white shirt with blue lettering, police said.

Investigators say she has ties to Boston, Brockton, Gloucester, Lowell and Rockport.

Anyone with information is asked to call Arlington Police at (617) 921-6498.