News Snapshot:
SEOUL, May 22 (Reuters) - South Korea and the European Union agreed on Monday to step up cooperation on security amid tension over Russia's invasion of Ukraine and North Korean nuclear threats. South Korean President Yoon Suk Yeol held a summit in Seoul with European Commission President Ursula von der Leyen and European Council President Charles Michel, during which the leaders also pledged to work together on climate change, health and supply chains. "South Korea and the EU are important partners that share universal values of freedom, human rights and rule of law," Yoon told a joint press conference. Yoon...