South Sudan in Focus: South Sudanese journalists are calling for the immediate and unconditional release of VOA reporter Diing Magot who was arrested on Sunday while covering a peaceful protest in Juba; Leaders of the rebel group the South Sudan People’s Movement are condemning the reported execution of four of its military officers while in captivity; South Sudan’s police spokesperson, Daniel Justin says authorities are investigating an ambush along the Juba-Nimule road which killed three people and wounded another on Tuesday.