UPDATED AT 4:18 p.m.: Shortly after 4 p.m., a Wilmington Police dispatcher was on his way home when he spotted Rita walking in Billerica.

Emergency personnel were called to the area for an evaluation, but Pupa said Rita was located "safe and sound" thanks to the sharp eyes of the dispatcher.

The area that Rita was located is about two to three miles from her home, Pupa said.

ORIGINAL STORY: The Wilmington Police Department is seeking help from the community in locating an elderly woman who has been missing since early Tuesday afternoon.

According to Lt. Brian Pupa, an 87-year-old woman named "Rita" with Alzheimer's has been missing from the Forest Street area. Police did not release her last name.

Pupa said Rita went for a walk earlier this afternoon and has not been seen by her family since. She is known to frequent Wilmington Plaza and Lucci's Plaza.

"If anyone knows her, or happens to come across her, we ask them to contact the station," said Pupa.

Residents received a community alert this afternoon with details about the woman, who was last seen wearing a black sweater and blue jean Capri pants.

Anyone who sees Rita or comes across her is encouraged to call police at (978) 658-5071.

Check back with Wilmington Patch for updates as they become available. You can also follow us on Facebook and Twitter for updates.