Several big Asian phone companies launched new high-end smartphones and other wireless gizmos, hoping to challenge US giant Apple in a big year for wireless gadgets.
Pope Francis denounced the "intolerable brutality" being inflicted on Christians and other minorities in Iraq and Syria by Islamic State group militants.
Russian opposition leader Boris Nemtsov was shot dead in central Moscow late ahead of a major opposition rally this weekend, investigators and police said.
Jeb Bush courted rightwing American voters at a crucial political testing ground, but the presumed Republican presidential frontrunner for 2016 received a mixed reception.
Prime Minister David Cameron has defended Britain's security services after Islamic State executioner "Jihadi John" was unmasked as London graduate Mohammed Emwaziю
President Barack Obama will receive his Afghan counterpart Ashraf Ghani at the White House on March 24 as Washington weighs slowing down the withdrawal of US forces from the country.
Greece's new anti-austerity government will put before parliament early next week its first legislation tackling the "humanitarian crisis" caused by years of cuts.
Liberian President Ellen Johnson Sirleaf praised President Barack Obama's "extraordinary" leadership in the fight against the Ebola outbreak in West Africa.
Mexico's state-owned energy firm Pemex posted a $17.7 billion loss for 2014, hit by falling crude prices, fuel thefts by gangs and the peso's drop against the dollar.
A Nobel Prize gold medal awarded to the economist who invented the calculation for the gross domestic product, Simon Kuznets, has been sold at auction here for $390,848.