Europe cyberattack, Estonia, H-1B visas and Trump-Xi

A cyberattack on a provider of check-in and boarding systems has disrupted operations at several major European airports. Estonia reports an unprecedented airspace violation by Russian jets in the latest test for NATO. The Trump administration says it'll ask companies to pay $100,000 per year for H-1B worker visas. The U.S. and China make progress on a TikTok deal. Plus, what to expect from a packed weekend in sports – including the World Athletic Championships. Listen to On Assignment here. Read today's recommended read here. Sign up for the Reuters Econ World newsletter here. Listen to the Reuters Econ World podcast here. Visit the Thomson Reuters Privacy Statement for information on our privacy and data protection practices. You may also visit megaphone.fm/adchoices to opt out of targeted advertising. Learn more about your ad choices. Visit megaphone.fm/adchoices