Firefighters walk the entrance of the prison on May 31, 2016 at Saran after heavy rainfalls partly flooded the prison. Some inmates were evacuated to other institutions as the Loiret department is under flood alert and France's weather agency Meteo France maintained on Tuesday 18 departments under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

This photo taken on May 31, 2016 shows a line of lorries blocked on the A10 highway in Saran, due to heavy flooding. The Loiret department is under red flood alert and France's weather agency Meteo France maintained today 18 departments are under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

Firefighters walk the entrance of the prison on May 31, 2016 at Saran after heavy rainfalls partly flooded the prison. Some inmates were evacuated to other institutions as the Loiret department is under flood alert and France's weather agency Meteo France maintained on Tuesday 18 departments under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

Members of French gendarmerie monitoring and intervention platoons ("pelotons de surveillance et d'intervention de la Gendarmerie", PSIG) stand guard the entrance of the prison on May 31, 2016 at Saran, after heavy rainfalls partly flooded the prison. Some inmates were evacuated to other institutions as the Loiret department is under flood alert and France's weather agency Meteo France maintained on Tuesday 18 departments under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

Firefighters walk the entrance of the prison on May 31, 2016 at Saran after heavy rainfalls partly flooded the prison. Some inmates were evacuated to other institutions as the Loiret department is under flood alert and France's weather agency Meteo France maintained on Tuesday 18 departments under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

This photo taken on May 31, 2016 in Saran shows the A10 highway, flooded due to heavy rainfalls. The Loiret department is under red flood alert and France's weather agency Meteo France maintained today 18 departments are under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

People stand next to cars along the A10 highway, flooded due to heavy rainfalls, on May 31, 2016 in Saran. The Loiret department is under red flood alert and France's weather agency Meteo France maintained today 18 departments are under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

A woman runs with an umbrella on May 31, 2016 in Saran, along part of the A10 highway, flooded due to heavy rainfalls. The Loiret department is under red flood alert and France's weather agency Meteo France maintained today 18 departments are under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images