BERLIN, Oct 8 (Reuters) - German Chancellor Olaf Scholz warned on Sunday against violence spreading like wildfire "with incalculable consequences for the whole region" following the biggest attack on Israel in years by Palestinian Islamist group Hamas. "We warn everyone against fueling and spreading terror in this situation," he said, noting he would hold a discussion with U.S. President Joe Biden, French President Emmanuel Macron and British Prime Minister Rishi Sunak on the topic later on Sunday. "The security of Israel is Germany's reason of state and we will act accordingly," he said. The chancellor was referring to Germany's perceived...