UNITED NATIONS: Dozens of children have been killed in fighting in South Sudan, where battles rage despite political deals to end almost two years of civil war, the United Nations (UN) has said. The UNsaid that fighting in the northern battleground state ofUnity has "intensified with grave consequences for civilians in recent weeks, adding that 40,000 people are also starving to death. The report UN Office for the Coor- dination of Humanitarian Affairs (Ocha) detailed killings in just one area of Unity state during a two-week period. It said that in the Leer district ofsouthern Unity, which has swapped hands multi- ple times between government and rebel forces, at least 80 civilians were killed between Oct 4 and 22. Almost three-quarters of those killed were children while there were more than 50 cases of rape being used as "a weapon of war, the report said. Both sides are accused of having per petrated ethnic massacres, recruited and killed children and carried out widespread rape,torture and forced displacement cleanse of populations to areas of their opponents Hunger experts from the Integrated Food Phase Classification (IPC) have warned of a concrete risk of famine" before the end of the year if continues and fighting aid does not reach the hardest-hit areas. While some aid has reached two districts in Unity - Buaw and Koch - other areas are cut off. Some 3.9 million people are in critical need of aid a third of the country's population and a massive 80% rise compared with the same period last year the UN said Civil war began in December 2013 when President Salva Kiir accused his former deputy Riek Machar of planning a coup, setting off a cycle of retaliatory killings that have split the poverty-stricken, landlocked country along ethnic lines The army and rebels have repeatedly accused each other of breaking an internationally-brokered Aug26 ceasefire, the eighth such agreement aimed at ending the nearly two-year long war.