Authorities in Thessaloniki, Greece, responded to a significant wildfire on Monday that engulfed a recycling plant in the suburb of Oraiokastro, prompting residents to remain indoors due to hazardous smoke. The fire, which spread rapidly, damaged nearby homes and businesses, drawing a response from approximately 160 firefighters who worked to contain the blaze.

Officials reported that toxic smoke from the fire posed a serious health risk, leading local authorities to issue warnings for residents to avoid outdoor exposure. The firefighting efforts were focused on preventing further spread of the flames to nearby residential and commercial areas.

A 76-year-old man has been arrested on suspicion of negligent arson related to the incident. According to investigators, sparks generated from his vehicle are believed to have ignited the fire. Authorities are continuing to examine the circumstances surrounding the blaze to determine the full extent of the man’s involvement.

Emergency services remain on alert as they monitor the area for any flare-ups. No casualties have been confirmed, but the incident has raised concerns about the safety protocols and environmental risks associated with recycling facilities in urban settings.