May 28, 2017 (Sunday)
Armed attacks and conflicts
- CPP-NPA-NDF rebellion
- The government of the Philippines and the Communist Party cancel peace talks after president Rodrigo Duterte declares martial law in Mindanao. (teleSur)
- Marawi crisis
- The Philippine military announces that it has discovered the bodies of 16 people, believed to have been killed by the ISIL affiliated Abu Sayyaf. Authorities say that the death toll after six days of fighting is 95, including 19 civilians. (The New York Times)
Arts and culture
- 2017 Cannes Film Festival
- The Square, a Swedish film directed by Ruben Östlund, wins the Palme d'Or, the top award at the Cannes Film Festival. (Reuters)
Disasters and accidents
- 2017 Sri Lankan flood and landslide
- Four people, including a pregnant woman, are killed and dozens injured when a rush of fans try to enter an already-at-capacity Tiburcio Carías Andino Stadium before the Honduran Clausura final in Tegucigalpa, Honduras. Police are investigating possible overselling of tickets. (Sporting News) (The Sun) (AP)
Law and crime
- 2017 Mississippi shootings
- Eight people, including a Lincoln County Sheriff's Department deputy, are fatally shot overnight at three locations in rural Mississippi. A suspect is in custody; he says he intended for it to be "suicide by cop." (NBC News and AP)
Politics and elections
- German federal election, 2017
- In a speech in Munich, Angela Merkel says that Europe must not rely on its former allies. (The Guardian)
Science and technology
- The Russian Irkut MC-21 airliner makes its maiden flight. (TASS)
Sport
- 2017 Indianapolis 500
- Takuma Sato of Japan wins the 2017 Indianapolis 500 ahead of Helio Castroneves of Brazil. Sato is the first Japanese driver to win the event. (Yahoo! Sports) (Los Angeles Times)