North African

Various sites off California would be well-suited to develop water farms, from San Diego to Monterey, Bergstrom said, as would many water-scarce countries with deep offshore waters, such as Chile, Spain and North African nations.

The south of France in particular - where large numbers of North African immigrants had come to settle - began to swing behind the FN.

The area is also the home to a former World War II-era training center used by Gen. George Patton to prepare troops to fight in the North African deserts.

Both he and coalition partner Caroline van der Plas, among others, have pointed the finger at young people of Moroccan or North African descent.

France, Belgium and the Netherlands all have large Muslim populations of North African origin and they live beside far smaller Jewish populations, who in the main identify strongly with Israel.