The FBI releases new pictures of a "person of interest" as a large manhunt is under way for the suspect.

The FBI releases new pictures of a "person of interest" as a large manhunt is under way for the suspect.

The FBI releases new pictures of a "person of interest" as a large manhunt is under way for the suspect.

The FBI releases new pictures of a "person of interest" as a large manhunt is under way for the suspect.

The roads leading to Riek Machar's house are blocked by tanks and soldiers, amid fears of renewed fighting.

The roads leading to Riek Machar's house are blocked by tanks and soldiers, amid fears of renewed fighting.

The roads leading to Riek Machar's house are blocked by tanks and soldiers, amid fears of renewed fighting.