Toronto police have set up a command post near a park in Etobicoke as they search for a 74-year-old man from Brampton who was reported missing on Thursday.

Alber Marbena was last seen at his residence near Saintsbury Crescent and Egypt Drive in Brampton on the morning of Jan.10.

According to Toronto police, he was spotted that night at around 9:30 p.m. in Etobicoke, near the area of Humberline Drive and Finch Avenue West.

On Friday, police said that Marbena was seen on home security video in the area of Kipling Avenue and Westhumber Boulevard around 3:50 p.m. They are asking residents and businesses in the area to check their properties and their security footage.

Police said he was wearing a black leather jacket, black pants, a black hat and red and white Converse shoes.

Marbena has been described by police as being five-foot-seven, with a medium build and balding. He has a white mustache, brown eyes and wears glasses.

Police said that that Marbena is living with dementia.

Toronto police said on social media that “specialized resources” are being used in the search.

“This is now a level 3 search,” police said on Twitter. “We will also be deploying a grey drone aircraft in the search.”

In a news release issued Friday afternoon, Toronto police said that Marbena is familiar with Toronto’s transit system and that officers are concerned for his safety.

“It’s been over 24 hours since anyone has seen him” Toronto police Sgt. Andrew Higgins said. “He isn’t on any medication, but given his age and length he’s been out and temperatures, very concerned for his safety and well-being.”

An extreme cold weather alert was issued for the City of Toronto on Thursday, with the temperatures feeling like -23 with the wind chill overnight.