President Salva Kiir appoints James Ajongo, who served under ousted commander Paul Malong
Salva Kiir issues a decree announcing the firings of Interior Minister Aleu Ayienyi Aleu and the caretaker governor of Northern Bahr el Ghazal state
Officials say the attack is the third this year, and blame it on neighboring Sudan.
Officials say 18 people were killed in Jonglei state and another 35 bodies were found in Northern Bahr el Ghazal, where rebels clashed with government troops early this week.
