[JURIST] An Afghanistan prison is undergoing improvements to accommodate about 100 Afghan Guantanamo Bay detainees [JURIST news archive] who are expected to be transferred to Afghanistan in the near future, according to Afghan officials. Construction, being paid for by the US, is underway on Afghanistan's largest prison to enhance security and living conditions. The US reached an agreement [JURIST report] with Afghanistan in August to gradually transfer the detainees back to their home jurisdiction. Following calls from President Jimmy Carter and Sen. Joseph Biden demanding that the facility be shut down [JURIST report], President Bush, in an interview [text] last summer, said the government was "exploring all options" regarding Guantanamo Bay [JURIST report]. AP has more.