When the Piton de la Fournaise erupts, the site is monitored round the clock by police officers. If you want to see the lava flows, follow safety instructions carefully and read the Observatoire Volcanologique du Piton de la Fournaise news report.
 
Useful numbers
Réunion Island has an excellent network of nurses, doctors, and well-equipped hospitals.
Emergency number 112
Ambulance 15
Fire brigade 18