Champions League host nations tighten security after Islamic State threats
FRANCE and Spain will step up security ahead of the Champions League quarter-finals in Madrid and Paris on Tuesday and Wednesday nights, top officials said, as Islamic State threatened drone attacks on Europe's top club soccer tournament. British police said they were aware of reports of threats and had a robust policing plan in place ahead of Arsenal's match against Bayern Munich in London on Tuesday night. The threats against some of the world's most-watched soccer matches underline the resurgence of Islamic State after several deadly attacks this year, including in Iran and Moscow. They also point to the complex geopolitical backdrop to…