NATO will monitor the skies over Moldova as more than 40 European leaders attend a summit close to Ukraine's borders to show support for both countries as Kyiv prepares a counteroffensive against Russia's invasion. The gathering of the EU's 27 member states and 20 other European countries at a castle just 20 kilometers from Ukrainian territory poses a security and organizational challenge for a country of 2.6 million people wedged between Ukraine and NATO member state Romania. NATO Airborne Warning and Control Systems surveillance aircraft will watch the skies over the summit venue through June 2, NATO said in a statement. To read the original story by Reuters, click here.