• Saudi Arabian-led intervention in Yemen, Battle of Al Hudaydah
  • Alleged Saudi-led coalition airstrikes on a fish market and hospital entrance kill at least 20 people in Al Hudaydah, Yemen. A Saudi spokesman denies that its jets were in the area at the time, and blames rebels instead. (BBC)
• Internal conflict in Myanmar
  • In northern Myanmar, around 300 villagers flee from their homes in Namtu Township, Shan State, after Northern Alliance insurgents take positions in the area, renewing fears of clashes between insurgents and government soldiers. (Radio Free Asia)

• Theology of Pope Francis
  • Pope Francis changes Catholic Church teaching to fully reject the death penalty, saying that it would work to abolish the death penalty worldwide. (The Washington Post)
• Yomiuri Shimbun reports Tokyo Medical University altered entrance examination scores to decrease the number of women attending the school. (BBC)
• Archeologists of the Romano-Germanic Museum report the discovery of the foundations of a Roman library building in Cologne. Dating from the 2nd century CE, it is the oldest library yet discovered in Germany. (BBC)

• List of public corporations by market capitalization
  • Apple Inc. becomes the first public company to be worth US$1 trillion. (BBC)

• 2018 Pacific hurricane season
  • Hurricane Hector becomes the fourth named hurricane of the eastern Pacific's hurricane season. (TC Palm)
  • Hector is forecast to strengthen into a category 3 storm the next few days. (Hawaii News Now)

• Crisis in Venezuela (2012-present), Colombia-Venezuela relations
  • Departing Colombian President Juan Manuel Santos grants 2-year citizenship rights to over 440,000 displaced Venezuelans living in Colombia, giving them certainty in access to medical and financial aid. (United Nations), (ABC News)

• Tennessee gubernatorial election, 2018
  • Former construction executive Bill Lee wins the Republican primary for Tennessee governor. (WSJ)
• 2018 United States gun violence protests
  • Anti-violence protesters take to the streets of Chicago to draw attention to the problem of gun violence in Chicago, which briefly shuts down Lake Shore Drive. Protesters also call for Chicago Police Superintendent Eddie T. Johnson and Mayor Rahm Emanuel to step down for their handling of racial incidents in communities of color. (The Grio) (VOA News)

• Discoveries of exoplanets
  • Kepler-452b emerges as an exoplanet that might support alien life. (Sky News)
• Greenhouse gas, Plastic pollution
  • A study is published suggesting that loose plastic objects in the ocean release more methane than previously thought. (BBC)
• Tests on the 5,000-year-old burnt human bones of 25 people found at Stonehenge suggest that ten came from more than 100 miles (160 km) away in West Wales. (The Guardian)