Erreur SQL !
SELECT * FROM flux_actu WHERE theme_src="france" and id_flux_actu="359583$article=agen-une-saisie-de-drogues-irrite-les-reseaux-de-montanou" UNION (SELECT * FROM flux_sport WHERE theme_src="france" and id_flux_sport="359583$article=agen-une-saisie-de-drogues-irrite-les-reseaux-de-montanou") UNION (SELECT * FROM flux_tech WHERE theme_src="france" and id_flux_tech="359583$article=agen-une-saisie-de-drogues-irrite-les-reseaux-de-montanou") UNION (SELECT * FROM flux_foot WHERE theme_src="france" and id_flux_foot="359583$article=agen-une-saisie-de-drogues-irrite-les-reseaux-de-montanou")