UPDATE: The Statewide Silver Alert issued for Steven Brubaker has been cancelled as of Aug. 29. 

ORIGINAL: ROANN, Ind. -- The Roann Town Marshall reports authorities are investigating the disappearance of 73-year-old Steven Brubaker of Roann, Ind.

Brubaker is a white man, 5 feet 8 inches tall, 240 pounds, with brown hair with blue eyes, and was last seen wearing a white shirt with gray shorts while riding a blue electric tricycle. 

He was last seen on Thursday at 8 a.m. and is believed to be in extreme danger and may require medical assistance.

If you have any information on Brubaker, you're asked to contact the Roann Town Marshall at 260-563-9223 or 911.