An early morning fire at a vacant house on Metcalfe Street lighted up the sky as firefighters responding to the call found the structure fully involved in flames, according to the Buffalo Fire Department dispatch center.

The fire at 91 Metcalfe, in the Fillmore Avenue-Clinton Street area, was reported at 4:10 a.m. It left an estimated $25,000 damage to the 2.5-story house, which has been slated for demolition.

No injuries were reported.