A U.S. federal judge ruled late on Friday that AstraZeneca PLC's patent on its Pulmicort Repsules treatment for asthma was invalid, opening up the market to a second, cheaper generic version.
A deal with Iran on its controversial nuclear program would help it escape from sanctions and allow more efforts to be spent on economic development, Chinese Foreign Minister Wang Yi said during a trip to Tehran.
The United Nations Security Council on Sunday demanded Iranian-backed Houthi militia in Yemen withdraw from government institutions, called for an end to foreign interference and threatened "further steps" if the violence does not stop.
Libya's internationally recognized prime minister called for the West to launch air strikes to defeat Islamist militants who control Tripoli and have driven his government out of the capital.
