question #1 Sahih al-Bukhari 3068, Book 56, Hadith 273 : What actions did Khalid bin Al-Walid take when a slave of Ibn `Umar fled to the Byzantines?

Once a slave of Ibn `Umar fled and joined the Byzantine. Khalid bin Al-Walid got him back and
returned him to `Abdullah (bin `Umar). Once a horse of Ibn `Umar also ran away and followed the
Byzantines, and he (i.e. Khalid) got it back and returned it to `Abdullah.