The brushfire is on Mount Falakro, which means bald mountain, near the northern Greece city of Drama

A fallen drone reportedly sparked a wildfire early Wednesday afternoon northeast of Athens proper, with four arrests subsequently announced

Citizens are urged to be especially careful and to avoid activities that could inadvertently increase a wildfire risk

The measure applies to untended properties and plots of land within and near city and town limits, and fines range between 1,000-54,000 euros