 The new emir Abu'l-Qasim Ali ibn al-Hasan al-Kalbi (964–982) launched a series of attacks against Calabria in the 970s, while the fleet under his brother attacked the Adriatic coasts of Apulia, capturing some strongholds.As the Byzantines were busy against the Fatimids in Syria and with the partial conquest of the Bulgarian Empire, the German Emperor Otto II decided to intervene.The allied German-Lombard army was defeated in 982 at the Battle of Stilo.