Terrorist attack German police arrest two Algerian men suspected of having links to the Islamic State of Iraq and the Levant and planning terror attacks in the country. One of the men detained, reported to be aged 35, had been living in a refugee shelter in the town of Attendorn, east of Cologne. Police say "investigations show that he has been trained militarily in Syria".
Chicago Five adults and one child are found stabbed to death in the Chicago neighborhood of Gage Park in the U.S.
Deputy Prime Minister of the Netherlands The suspect in the murder investigation of former Deputy Prime Minister of the Netherlands Els Borst admits to have assassinated her citing political motivations.
China The People's Republic of China charges Zhao Liping, former Police Chief for Inner Mongolia with murder, bribery and possession of fire arms and explosives.
European migrant crisis The President of Finland, Sauli Niinistö, in an address to the Finnish parliament (Eduskunta), says the current flow of migrants into Europe threatens the continent's Western values and that the UN's Convention relating to the Status of Refugees is outdated, saying "All estimates predict that the flow of people will increase this year. This is challenging the ability of Western democracies to help and also challenging the very structures underlying the idea of Europe".
Trans-Pacific Partnership Twelve nations, including the United States, sign the deal at SkyCity Auckland in Auckland, New Zealand.
United Nations The UN Working Group on Arbitrary Detention rules that Julian Assange is being arbitrarily detained.
Zika virus outbreak A pregnant woman is reported with the Zika virus in Spain - the first case in Europe.
The Polynesian state of Tonga declares a Zika virus epidemic with two confirmed cases and 265 suspected cases.
Barack Obama The U.S. President Barack Obama announces a plan to tax crude oil $10 a barrel in order to fund infrastructure spending, according to a White House statement.
Russian intervention in the Syrian civil war Russia's Ministry of Defence accuses Turkey of preparing a military incursion into northern Syria, saying it had registered "a growing number of signs of hidden preparation of the Turkish Armed Forces for active actions on the territory of Syria". Tens of thousands of Turkish troops are active on the border of Syria involved in fighting the Kurdistan Workers' Party (PKK).
The Syrian Observatory for Human Rights reports Russian airstrikes on several rebel-held neighborhoods in the city of Aleppo, kills at least 21 civilians.
Yemeni Civil War (2015–present) A drone strike in Yemen's Shabwah Governorate kills six suspected Al-Qaeda in the Arabian Peninsula militants.