The Spanish Civil Guard has intercepted a boat operated by a US company amid a row over treasure from a shipwreck. The guard had been ordered by a Spanish judge to seize the vessel as soon as it left the British colony of Gibraltar. Gibraltar officials and Odyssey Marine Exploration, which owns the ship, said Spain had boarded the ship illegally as it was in international waters. In May, Odyssey said it had found $500m (£253m) in coins from a 17th Century wreck somewhere in the Atlantic Ocean. Madrid suspects the sunken galleon may either have been Spanish or have...