"Alex, there is an emergency in New Fangak. Stab wound in the back."
ER doctor Alexander Nyman is at the start of a new assignment with Médecins Sans Frontières / Doctors Without Borders (MSF). He blogs from the remote town of Old Fangak, South Sudan...
"Before I could see him, I could hear his screams coming towards us through the fabric of the field clinic tent."