A look back over a few key stories of the last week from national and international press:

Analysis: Peace unravels in the two Sudans (Al Jazeera, 20 February) -- Sudan and South Sudan amass troops on their shared border despite a peace deal signed last September: “The promised peace has not left the piece of paper it was written on.”

Amnesty International: South Sudan holds opposition figures without charge (Reuters, 20 February) -- South Sudan's government has detained scores opposition figures without issuing arrest warrants or giving them access to lawyers since violence in Wau.

WBG governor warns against coup attempts (Sudan Tribune, February 17) -- The only independent governor in South Sudan has warned against any attempt to overthrow the government through a coup d’état: “This rumor is affecting people’s initiatives and the potential to develop the new country,” 

Constitutional review in South Sudan delayed (Radio Tamazuj, February 20) -- South Sudan’s legislature is considering a bill that would extend the constitutional review and approval process until as late as mid-2015, following the expiry last month of the review commission’s mandate.

Camps face millions in damages after attacks (Radio Dabanga, February 21) -- A committee formed by displaced persons from camps in West Darfur announced attacks by Abbala militias left them with “millions” in damages.

File photo: South Sudanese police recruits marching (Radio Tamazuj)