Spain says European budget proposal is insufficient

MADRID, Oct 15 (Reuters) — The current proposal for the next European Union budget was insufficient to face the bloc's challenges, Spanish Prime Minister Pedro Sanchez told reporters in Brussels on Thursday, adding that Madrid would fight to expand it. (Reporting by David Latona; Editing by Charlie Devereux) ((david.latona@thomsonreuters.com; +34 918 35 68 13;)