US troops synch hi-tech and nomad intel in Kony hunt
The troops provide intelligence, help coordinate hunt
S.Sudan says to quit border zone, seeks end to clashes
Sudanese leader declares emergency in some border areas
S. Sudan says 21 dead in clash with Sudanese-backed militia
Khartoum and Juba accuse each other of supporting rebel militia to destabilise their opponents, and each denies the other's charges
South Sudan frees prisoners; clashes abate
Border area calmer after Sudanese Foreign Minister Ali Ahmed Karti said Khartoum was ready to resume talks on security issues
UN to open new Kenya camp for Sudan refugees
Kakuma camp in northern Kenya reaching its maximum capacity, receiving 100 refugees from South Sudan every day - U.N.
South Sudan frees prisoners to defuse tensions
Clashes appear to have ebbed following weeks of cross-border fighting after Sudanese Foreign Minister Ali Ahmed Karti said Khartoum was ready to resume talks on security issues