Disasters and accidents

• A Cessna Citation plane traveling from Elizabethton Municipal Airport, Tennessee, to Long Island MacArthur Airport, New York, turns southwest toward the direction of Washington D.C. during the flight and becomes unresponsive. An F-16 jet from Joint Base Andrews, Maryland, attempts to intercept the Cessna jet at supersonic speed, causing a sonic boom heard around the Washington metropolitan area. The FAA later confirms that the Cessna plane crashed over mountainous terrain in Saint Mary's Wilderness near Montebello, Virginia, around 3:30 p.m. local time. (AP) (WRC-TV)
• Fourteen people are killed and five others are reported missing after a landslide in a mountainous area near Leshan, Sichuan, China. (Reuters)
• One person is killed and ten others are injured in a fire at a refugee centre in Apolda, Thuringia, Germany. (AP)
• In Italy, one person is killed and 14 others are injured when a bus traveling from Lecce, Puglia to Rome crashes on a motorway in Vallesaccarda, Campania. (Ansa)

Law and crime

• Hong Kong police arrest dozens of pro-democracy activists, including Alexandra Wong, for holding a vigil to mark the anniversary of the Tiananmen Square massacre. (BBC News)
• Pro-democratic protests occur across Poland, with an estimated 500,000 demonstrators gathering in Warsaw, according to mayor Rafał Trzaskowski. (AP)

Politics and elections

• 2023 Guinea-Bissau legislative election
  • Citizens of Guinea-Bissau go to the polls to elect the 102 members of the National People's Assembly. (Reuters)

June 5: World Environment Day; King's Official Birthday in New Zealand (2023); Western Australia Day (2023)

• 1899 – Filipino general Antonio Luna (pictured) was assassinated in the midst of the Philippine–American War.
• 1968 – U.S. senator Robert F. Kennedy was fatally shot by Palestinian immigrant Sirhan Sirhan at the Ambassador Hotel in Los Angeles.
• 1976 – The Teton Dam in eastern Idaho, U.S., collapsed as its reservoir was being filled for the first time, resulting in the deaths of eleven people and 13,000 cattle, and causing up to $2 billion in damage.
• 2004 – Noël Mamère, mayor of the Bordeaux suburb of Bègles, conducted a marriage ceremony for two men, even though same-sex marriage in France had not yet been legalised.
• 2009 – After almost two months of civil disobedience, at least 31 people were killed in clashes between the National Police and indigenous people in Peru's Bagua Province.