During the Second Timurid Succession Crisis, the sons of Baysunghur; Ala al-Dawla Mirza and Abul-Qasim Babur Mirza had acted in cognizance and blocked Abdal-Latif Mirza's chances of uniting with his father Ulugh Beg. Abul-Qasim Babur Mirza had taken Mazandaran and Jurjan whereas Ala al-Dawla Mirza had taken Mashad thereby surrounding Abdal-Latif Mirza at Nishapur. On April 20, 1447, Ala al-Dawla Mirza's army surprised and attacked the city of Nishapur. Abdal-Latif Mirza was defeated and imprisoned whereas, Gawhar Shad and the Tarkhans were freed. They then marched towards Sadabad, Nishapur where Ala al-Dawla Mirza met Gawhar Shad and together they marched with the army towards Herat. At Herat, Abdal-Latif Mirza was kept in the fort of Iktiyar-al-Din. The army of Khurasan now marched against Ulugh Beg towards Samarkand.
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