The wildfires that burned through more than 600 acres on Long Island probably originated from a backyard fire in Manorville, Suffolk County, police said.

New York Gov. Kathy Hochul declared a state of emergency Saturday afternoon as dozens of fire departments responded to Long Island’s Pine Barrens to gain control of massive brush fires fueled by strong winds.

Wind-driven brush fires that burned on New York’s Long Island over the weekend, injuring two firefighters and sending large smoke plumes into the air, appear to have been started by people making s’mores in their backyard,