In This EditionUN Secretary General Ban Ki-moon calls for an immediate end to violence in South SudanTens of thousands of people take to the streets of the Thai capital Bangkok to step up efforts to oust the government and seek political reforms.

And the United States and Britain hold memorials marking 25th anniversary of Lockerbie airliner bombing.

Hot Issue ReportsUN Secretary General calls for end to violence in South SudanS.Sudan violence causes thousands of refugeesObama calls for peaceful negotiations to resolve conflict in South SudanArab League rejects US proposal for Israeli troops on east border of future Palestinian stateTens of thousands in protest in Thai capitalEU reiterates political solution to crisis in SyriaPolice clashes with protesters over eviction of leftist group in HamburgLight NewsUN Secretary General visits area devastated by typhoon HaiyanMemorials marking 25th anniversary of Lockerbie airliner bombingInternational robot competition held in FloridaKhodorkovsky speaks following release from prisonMedia DigestChina Daily: Reform should Pave Way for Equal Public ServicesGlobal Times : Is Beijing subway fare rise a fair move?