MILWAUKEE (CBS 58) -- Milwaukee police are seeking help in finding a missing 61-year-old male named Ronald John Bruner.

Police say he was last seen near N. 55th between Mill Rd. and W. Green Tree.

He left on foot and does not have a cell phone.

Police say he is believed to have dementia or another cognitive impairment.

Police say he is bald with a long white beard and mustache, salt and pepper color.

He was last seen wearing a green sweatshirt and blue jeans.

If you have any information, please contact the Milwaukee Police Department at (414)935-7405.