Russia is "not seeking conflict with anyone", President Vladimir Putin has said in his annual Kremlin speech to parliament and the nation. "Unlike some foreign colleagues who see Russia as the enemy, we do not seek - and never sought - enemies. We need friends," he said.

To break free from an unequal financial system that disadvantages the poor, people should use their creative energy to become entrepreneurs themselves and spread wealth among a broader base of citizens, said Yunus.

The man who sparked outrage last year by hiking the price of a life-saving drug may have met his match in some Australian schoolboys. US executive Martin Shkreli became a symbol of greed when he raised the price of a tablet of Daraprim from $13.50 (£11) to $750.