The leaders of nine Mediterranean and southern European countries called Friday for a "significant increase" in the EU's efforts to tackle the thorny issue of migration at its roots, in origin and transit countries.
Italian far-right Prime Minister Giorgia Meloni said that front-line countries were struggling to deal with arrivals now, but without "structural" solutions from the bloc, "everyone will be overwhelmed".
A sharp rise in migrants landing on the tiny Italian island of Lampedusa earlier this month has reignited tensions within the bloc and provided impetus to work for a fresh common strategy.
French President Emmanuel Macron called for "a united European response", urging "solidarity with Italy, as we must show solidarity with all the countries of first entry".