17 Shah ibn Salghar. This, they succeeded in doing one-day when Muhammad Shah was about to enter his house. Once captured, he was sent in cuffs and shackles to Hulagu Khan accusing him of murdering innocent people. When he arrived, Hulagu Khan seized him and put him in prison. Muhammad Shah's reign only lasted four months. When he was captured and removed from power, the people of Shiraz celebrated and there was much jubilation among them. Terken Khan then sent the Shawl princes together with some of her condants to the Castle of Estakhr to release Seljuk ibn Salghar, whom she appointed Sultan of Shiraz in place of his brother. He became known as Seljuk Shah.