European Extremely Large Telescope Construction begins on the European Extremely Large Telescope (ELT) in northern Chile. The ELT is expected to become operational in 2024.
Diplomat Polish-American diplomat Zbigniew Brzezinski, counselor to President Lyndon B. Johnson (1966–1968) and President Jimmy Carter's National Security Advisor (1977–1981), dies at the age of 89.
2017 Portland train attack Two men are stabbed to death in a train in Portland, Oregon, after they attempt to intervene while a man shouts racial slurs at two teenage girls, one of them wearing a hijab.
Chipotle Mexican Grill A spokesman for the Chipotle Mexican Grill restaurant chain reveals that hackers stole customer payment data from most of their stores over a span of three weeks starting from the end of March.
Politicians The Turkish government issues an arrest warrant for NBA Oklahoma City Thunder player Enes Kanter suspected of being a member of a "terror group." Kanter, a vocal supporter of Fethullah Gülen, was returning to the U.S. from a charity tour when, last Saturday, he was detained in Bucharest, Romania, because his Turkish passport had been revoked. Kanter says he plans on becoming a United States citizen.
2017 Sri Lankan flood and landslide Disaster Management Centre of Sri Lanka reports that 91 people are killed and 110 people from 14 districts are missing due to flood and landslide.
Katie Hopkins Right-wing media personality Katie Hopkins is to leave LBC with "immediate effect" after Hopkins posted on Twitter calling for a so-called "final solution" to the United Kingdom's Islamic terrorism problem following the Manchester Arena bombing which left 22 people dead.
Aboriginal Australians The National Constitutional Convention of Aboriginal Australians and Torres Strait Islanders at Mutitjulu concludes with Indigenous leaders calling for a treaty and reforms to the Constitution of Australia, beyond the proposed written recognition, including entrenchment of representative bodies and commissions for Indigenous rights.
Syrian civil war United Nations High Commissioner for Human Rights Zeid bin Ra'ad calls on all air forces in Syria to better distinguish between military targets and civilians.
War Taliban militants attack an Afghan National Army base in Shah Wali Kot District, Kandahar Province, killing at least 15 soldiers.
2017 Minya attack The Egyptian Air Force strikes militant camps in eastern Libya in retaliation to the Minya attack, according to state media.
Gunmen open fire on buses carrying Coptic Christians in Minya Governorate, Egypt, killing at least 28 people and injuring dozens more.