However, when gathered in Jabiya, Muslims had to receive an attack from Byzantine Ghassanid forces. Boss mare shirt . Closing camps in an area is very precarious because there is a strong Byzantine force stationed in Caeseara and can attack the backs of Muslims after they face the Byzantine army. Following Khalid’s advice, the Muslim forces retreated to Dara’ah (or Dara) and Dayr Ayyub, this is the distance between Yarmouk gorge and the lava-filled plain Harra and established a barracks line to the east of Yarmouk plain. This was a strong defensive position and after a series of feuds between Muslims and Byzantines, they entered a decisive battle that one of them later tried to avoid. During the campaigns, there was no small clash between Khalid’s elite light cavalry and Byzantine vanguard.