Fresh Fighting Hits South Sudan

Witnesses and officials in South Sudan said rebels have attacked the capital of oil-rich Upper Nile state.

Toby Lanzer, the top U.N. humanitarian official in South Sudan, said the fighting broke out Tuesday morning in Malakal, and urged all those involved to respect people’s rights and protect civilians.

Rebels once controlled Malakal, but South Sudan’s military, which is being helped by forces from neighboring Uganda, retook the city.

South Sudan’s government signed a…