 Complete the following phrase:  While Peter and Charles had been pursuing justice by duel in France, the Catalan admiral Roger of Lauria Ruggiero di Lauria, Roger de Llúria continued the war in Italy on behalf of Peter. He had been ravaging the Calabrian coast and keeping up a strong naval presence. Charles left Bordeaux for Provence and there sent out a fleet for Naples his capital in Italy at the time and for the rest of his dynasty. Roger took Malta and defeated the Angevin-Provençal fleet near the islands in the Battle of Malta. Roger then drew Charles the Lame, the son and heir apparent of the Neapolitan king and the Prince of Salerno, out of Naples port. Roger utterly routed him on the high seas, destroying the whole Angevin navy in the Battle of the Gulf of Naples. Roger took the prince and 42 ships captive to Messina. Charles the elder arrived in Italy at that time, but died soon after in 1285 and the war in Italy was put on hold by the lack of leadership on both sides: Charles successor was in chains and Peter was dealing with a new menace, the 