Constantine refuses, and the Bulgars raid into Thrace, reaching the Anastasian Wall stretching between the Black Sea and the Sea of Marmara (near the outskirts of Constantinople).
Konstantinus menolak dan Bulgar menyerang Thrace, mencapai Tembok Anastasia yang membentang di antara Laut Hitam dan Laut Marmara (dekat perbatasan Konstantinopel).