Their appeals come as UN ceasefire observers began to arrive in the country.

The United Nations has confirmed that at least one person has been killed by a Sudanese bombing raid on South Sudan. The local authorities say nine were killed and 24 wounded in different air attacks, and ground clashes are also reported. James Copnall reports from Khartoum.

The UN has confirmed two Sudanese jets dropped four bombs on Bentiu. The local authorities go further. The governor of Unity state told the BBC two MiG-29 jets struck Bentiu and an Antonov plane dropped bombs on the town of Mayom. Taban Deng said there were women and children among the dead. Earlier on Sunday, rebels made a failed attempt to capture Kwek in Upper Nile state near the border with Sudan.

South Sudan accuses the Sudanese army of providing

artillery

cover. The Sudanese armed forces weren't immediately available for comment, but in the past, they had denied both carrying out air raids and supporting South Sudanese rebels.

Police in Pakistan are searching for nearly 400

inmates

who've escaped from a prison in the northwest after it was stormed by Taliban fighters. Officials said the escaped prisoners included militants as well as criminals.

World News from the BBC

The military forces which seize power in Guinea-Bissau say they'll set up a national transitional council with opposition leaders. A spokesman said parliament would be dissolved, and an interim president and prime minister would be appointed. Earlier, several people were injured when security forces broke up a rally by protesters.