Sri Lankan local elections, 2018 The opposition SLPP (Rajapaksa) wins 44.65% of the vote, the ruling coalition parties UNP (Wickremesinghe) and UPFA (Sirisena) gather 32.63% and 8.94% respectively. Rosy Senanayake (UNP) becomes the first female mayor of the capital Colombo.
Islamic Republic of Iran Iranian president Hassan Rouhani proposes a referendum to heal country's divisions, according to the Article 59 of constitution.
Monegasque general election, 2018 Primo ! Priorité Monaco, a new political party, wins 21 of the 24 seats in the National Council.
United Kingdom United Kingdom Secretary of State for International Development Penny Mordaunt tells BBC One that Oxfam's failure to pass on information regarding sexual misconduct allegations of its workers in Haiti and Chad shows an "absolute" absence and failure of moral leadership.
Saratov Airlines Flight 703 An Antonov An-148 of Saratov Airlines with 71 people on board crashes shortly after take-off from Domodedovo Airport, Moscow, Russia. The TASS agency cites an emergency source stating that none of the 65 passengers and 6 crew members has survived.