UPDATE: Silver Alert cancelled for Indianapolis man

INDIANAPOLIS, Ind. -- UPDATE: The Silver Alert for Frederico Acosta has been cancelled as of Sunday, June 23.

For more information on this cancellation, please contact the Indianapolis Metropolitan Police Department at 317-327-6541.

ORIGINAL STORY: The Indianapolis Metropolitan Police Department announced on Friday that it is investigating the disappearance of 66-year-ol Frederico Acosta, who is a White male around 5'7" inches tall and weighs roughly 146 pounds.

Acosta has gray hair and brown eyes and was last seen wearing a short sleeve black and blue dress shirt. He was riding a red and silver cruiser bicycle.

He is missing from Indianapolis and was last seen on Thursday, June 20 at 11 a.m. Authorities say he is believed to be in extreme danger and may require medical assistance.

If you have any information on Frederico Acosta, contact the Indianapolis Metropolitan Police Department at 317-327-6541 or 911.