__________________________________________________________________________________________________________________________. They say people from the Lou Nuer ethnic group were ambushed on Friday in the eastern state of Jonglei by rebels and members of the Murle community. Here is Richard Hamilton.The sort of cattle wrestling and cattle raids between the two communities have been going on for years but they have escalated out of control. And it must be said that in South Sudan cattle is extremely important so if we say it’s just a cattle raid actually that’s sort of underplays it because cattle has huge significance in a country where they don’t have banks. Cattle are effectively your capital. It’s also used in bride wealth and ceremonies and local politicians have been accused of stirring up ethnic tensions.