Arson could be the cause of several 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, officials said.

An arson investigation is underway after a series of brush fires on Long Island in New York injured at least two firefighters as flames consumed hundreds of acres in Suffolk County over the weekend.

The last of four blazes that began in Suffolk County on Saturday has been put out, but Long Island and the Hudson Valley still faced a high fire risk on Sunday, officials said.

Firefighters are working to contain a series of brush fires that swept through New York’s Long Island. High winds caused the fires to jump quickly and send smoke billowing for miles as New York’s Gov.