• Somali Civil War (2009–present)
  • In a raid by Somali forces near Kismayo, at least 16 Al-Shabaab militants are killed, including the mastermind of the Garissa University College attack. (BBC)

• The United States announces new rules, that will go into effect on July 6, that amount to a near-total ban on the commercial trade of African elephant ivory. (National Geographic)

• A collection of environmental groups including the Sierra Club file a brief opposing the Arch Coal plan to exit from bankruptcy. (Reuters)

• 2016 European floods
  • At least eleven people are killed in heavy flooding across Europe. (BBC) (Bloomberg)
  • The Louvre will close briefly to move the artwork most at risk from flooding. (The New York Times)
• A Romanian medical helicopter crashes near Cahul, Moldova, killing four people. (Radio Free Europe/Radio Liberty)
• May 2016 United States storm complex
  • At least five United States Army soldiers are killed and four are missing after their Light Medium Tactical Vehicle overturns near Fort Hood in Texas. (KXAN)
• In Columbus, Ohio, a 7 month old baby is killed in his stroller when a woman driving alone with a learning permit jumped the curb, hit his father and the child and crashed into a building. No cause of the crash has been established. (WBNS-10TV)

• Armenian Genocide recognition
  • The German Bundestag passes a resolution classifying the Ottoman Empire's killing of Armenians in 1915 as genocide, provoking a furious reaction in Turkey. (BBC)

• An autopsy finds that American musician Prince died of an overdose of fentanyl, an opioid painkiller 50 times more powerful than heroin. (AP) (The New York Times)
• 2016 UCLA shooting
  • A second victim of the UCLA shooter is found in Minnesota; the shooter is identified as a former Ph.D. candidate in mechanical engineering that claimed his first victim had "cleverly stolen his code." (The New York Times)
• Four Syrians who are suspected of traveling to Europe on behalf of the Islamic State to attack Düsseldorf are arrested. (The New York Times)
• 2016 Mathura clash
  • 24 people are killed and 368 arrested in the Indian city of Mathura as police attempt to clear members of a squatter group from land they are occupying. (The Times of India)
• Violence breaks out at a rally supporting Donald Trump in San Jose, California. An officer and several demonstrators were assaulted, and a few people were arrested. (CNN)
• In Ottawa, Canada Marc Leduc is found guilty first-degree murder in the killings of two women found dead in 2008 and 2011 involved in drugs and sex trade. His DNA was matched after he was arrested in a 2012 sex assault with a knife. (CTV News)
• Catholics in France and Belgium are recovering from ISIS attacks including numerous acts of violence and aggression, fires set in churches, an assault on a priest, the desecration of a tabernacle and the hacking of more than 100 Catholic websites. (Catholic News Agency)

• U.S. House Speaker Paul Ryan endorses Donald Trump for President of the United States. (CNN) (Washington Post)
• The Supreme Court of the United States accepts a petition by five people from American Samoa arguing that people born in this U.S. territory are entitled to U.S citizenship under the United States Constitution. The State Department currently opposes this idea. (Radio New Zealand)