Canadian Prime Minister Stephen Harper praised a "historic" accord creating the world's largest free trade area, saying access to Japan would be a boon for Canadian farmers and resource sectors.
US Defence Secretary Ashton Carter arrived in Madrid, beginning a European tour amid alarm over Russian bombardments in Syria and the refugee crisis sparked by the conflict.
Brazilian President Dilma Rousseff ordered a government reshuffle, axing eight ministries in what was announced as a cost-cutting measure but seemed aimed at ending political paralysis.
President Barack Obama has voiced anger and sadness over "routine" mass shootings in the United States after 10 people were killed in an attack at a community college in Oregon.
American R&B singer Chris Brown thanked New Zealand women's advocates for supporting his plan to perform in the country, despite a domestic violence conviction which could see him banned.
Research into brain diseases such as Alzheimer's, Parkinson's and traumatic injury got a boost with a $100 million pledge from a US foundation and seven universities.
US presidential candidates took time from campaigning to reflect on Thursday's deadly mass shooting at an Oregon college, with Democrat Hillary Clinton calling for "sensible" gun law reform.
Students at a US college in Oregon where 10 people were killed by a lone gunman described scenes of panic and terror as they ran for their lives or hid in classrooms.
The State Department released a new batch of 6,300 pages of emails sent or received by Hillary Clinton when she served as top US diplomat and controversially used a private email account.
Republican US presidential front-runner Donald Trump said that he would send thousands of Syrian refugees back to their home country if he is elected in November.
Yahoo notified US regulators that it is proceeding with plans to spin off its multi-billion-dollar stake in Alibaba despite the unanswered question of what the tax bill could be.
Rarely can a toast at a UN luncheon have been so chilly. Barack Obama and Vladimir Putin went through the motions, clinking glasses and making eye contact, but no more.
More than half the world's elderly lack access to long-term care, the International Labour Organization said in a report, condemning the "deplorable" situation facing a rapidly ageing population.