Patrician Bonus ' galleys rammed and destroyed the Slavic boats ; the Avar land assault from 6 to 7 August also failed .
The Slavs under the Avars attempted to attack the sea walls from across the Golden Horn , while the main Avar host attacked the land walls .
Patrician Bonus ' galleys rammed and destroyed the Slavs boats ; the Avar land assault from 6 to 7 August also failed .
The Slavs under the Avars attempted to attack the sea walls from across the Golden Horn , while the main Avar host attacked the land walls .