The GMP confirms at least 19 people have been killed and 50 others injured and is treating the incident as a terrorist attack. Nobody immediately claimed responsibility. (The Northern Echo)(NBC News)(The Washington Post)
Turkey summons United States AmbassadorJohn R. Bass to protest alleged "aggressive and unprofessional actions" by American security personnel against Turkish bodyguards, calling for the United States to conduct a full investigation on the May 17 clashes. The American ambassador told Turkey's government that its guards violated U.S. laws. Last week, the U.S. summoned Turkish Ambassador Serdar Kılıç to discuss about Turkish security officers hitting and kicking peaceful protesters outside the Turkish ambassador's residence in Washington, D.C. (ABC News)(NPR)
Japanese scientists discover that mouse sperm held on the International Space Station for 9 months is able to produce healthy mice. (AP via The New York Times)