Authorities are investigating three fires that occurred early yesterday morning in Mount Washington as suspicious.

The Berkshire Eagle reports that three houses were found burning on West Road. Two were owned by the Department of Conservation and Recreation and one was a privately owned home.

The two DCR properties, including a historic home, were destroyed. Authorities are suspecting that the fires are connected and they are considered suspicious, according to a news release from the state Department of Fire Services.

The investigation is ongoing.