He kept to the letter of his promise - Husayn was killed by Kay - Khusrau , a chief who had a blood feud with him .
After an unsuccessful attempt to hide from Timur 's men Husayn was finally captured and handed over to Timur .
Timur kept to the letter of Timur 's promise Husayn Husayn was killed by Kay - Khusrau , a chief who had a blood feud with him .
After an unsuccessful attempt to hide from Timur 's men Husayn was finally captured and handed over to Timur .