Firefighters attack the blaze at Highland Avenue Terrace on Thursday.

A firefighter attacks the blaze at Highland Avenue Terrace on Thursday in Gardiner.

A firefighter crawls into Highland Avenue Terrace on Thursday.

Fire Marshal Investigator Ken MacMaster, left, and Isaac Peppard search for the cause of a fire at Highland Avenue Terrace Thursday in Gardiner. The housing complex caught fire just before midnight Wednesday.

Firefighters work as snow falls at Highland Avenue Terrace on Thursday in Gardiner. The housing complex caught fire just before midnight Wednesday.

Fire scene on 215 Highland Ave in Gardiner. Staff photo by Andy Molloy

Wednesday night fire scene at 215 Highland Ave in Gardiner. Contributed photo

Wednesday night fire scene at 215 Highland Ave in Gardiner. Contributed photo

Wednesday night fire scene at 215 Highland Ave in Gardiner. Contributed photo