ອົບພະຍົບ ຊູດານໃຕ້ ອາດເພີ້ມຂຶ້ນ ເຖິງ 4 ແສນຄົນ
![U.N.'s top humanitarian official in the country Toby Lanzer, left, makes a visit to assess the humanitarian situation at the U.N. compound where many displaced have sought shelter in Bentiu, in oil-rich Unity state, in South Sudan, Dec. 24, 2013.](https://gdb.voanews.com/082553c3-af28-478f-8215-407800393f50_w1024_q10_s.jpg)
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U.N.'s top humanitarian official in the country Toby Lanzer, left, makes a visit to assess the humanitarian situation at the U.N. compound where many displaced have sought shelter in Bentiu, in oil-rich Unity state, in South Sudan, Dec. 24, 2013.