Saudi professor Al-Faleh 's imprisoned for late Saturday without charge . He was released from a prison near Saudi Arabia eight months , fellow activist says . It was also unclear why he was held for so long . Rights group : Matrook al-Faleh detention came after he criticized prison conditions .
Saudi professor Al-Faleh 's imprisoned for late Saturday without charge . He was released from a prison near Saudi Arabia eight months , fellow activist says . Rights group : Matrook al-Faleh detention came after he criticized prison conditions .