A Buffalo firefighter suffered minor injuries Thursday morning at a house fire at 218 Watson St., between Broadway and William Street, and the home’s resident required temporary assistance from the Red Cross, fire officials said.

The blaze, which was called in at about 7:40 a.m., started in a first-floor bedroom and spread to the upper floor of the 1½-story wood-frame dwelling.

The cause of the fire remains under investigation. Damage was set at $25,000 to the structure and $5,000 to the contents.