At the same time , however , Leo Phokas invaded Syria .
At the same time , however , Leo Phokas defeated and captured Sayf al - Dawla 's cousin Abu'l - ' Asha'ir , whom he had left behind in his stead .
At the same time , however , Leo Phokas invaded Syria and defeated and captured Sayf al - Dawla 's cousin Abu'l - ' Asha'ir , whom he had left behind in his stead .