While White House spokesman Sean Spicer described US-Mexico relations as "phenomenal," the Mexico Foreign Secretary said his government "do[es] not have to accept provisions that one government unilaterally wants to impose on the other."
Islamic State militants are under siege in western Mosul, along with an estimated 650,000 civilians, and the Iraqi Prime Minister has asked the armed forces to "respect human rights" during what commanders expect to be a "tough fight."
Turkey, which has been helping fight the Islamic State in Syria, is stepping up its domestic anti-terrorism efforts after a year marked by dozens of attacks linked to the terror group or Kurdish militants.
Commentary: For the first time in two decades, Turkey is again the largest jailor of writers and publishers in the world. A PEN International delegation tried to visit a prison where most are incarcerated.
Anticipating friendlier relations with the new US president, more hawkish members of Benjamin Netanyahu's Israeli government are seeking to test that position by annexing a sprawling settlement in the Palestinian West Bank.
The UK Prime Minister will be one of the first world leaders to meet with the new president, and has said she would like to use next week's talks to discuss future trade relations, as well as NATO and the Syria conflict.
Zhou Youguang, who in 1958 invented Pinyin, the romanized spelling system that linked ancient Chinese writing to the modern age, died Saturday in Beijing. The system forever changed how the world learns and types Chinese.