When Manuel I discovered that the Sicilians were behind the combined attacks by Serbs and Hungarians, he sent a major offensive against southern Italy, while himself conducting a raid on Serbia. Ioannes Axouch was given a whole fleet and told to harry Italy from Ancona, but he stopped at the river Boöses in Albania. His delay was due to naval inexperience or Venetian influence, so that he achieved nothing apart from losing beached ships through negligence in a storm