Ukraine and pro-Russian separatists, in a gesture to shore up a tenuous ceasefire, agreed on Wednesday to strive for an end to all truce violations from next Tuesday, the OSCE and rebel representatives said.
South Sudan's president signed a peace deal on Wednesday to end a 20-month conflict with rebels, but he told regional African leaders at the ceremony that he still had "serious reservations".
China has formally detained a dozen people over huge explosions in the city of Tianjin this month that killed at least 139 people, and has accused 11 officials and port executives of suspected dereliction of duty or abuse of power.
A senior negotiator from one of Libya's two parliaments on Wednesday quit United Nations-sponsored talks on forming a unity government, a day before a new round of negotiations.
