A war with Greek Massalia followed. Carthage lost battles but managed to safeguard Phoenician Iberia and close the Strait of Gibraltar to Greek shipping, while Massalians retained their Iberian colonies in Eastern Iberia above Cape Nao. Southern Iberia was closed to the Greeks. Carthaginians in support of the Phoenician colony Gades in Iberia, also brought about the collapse of Tartessos in Iberia by 530 BC, either by armed conflict or by cutting off Greek trade. Carthage also besieged and took over Gades at this time. The Persians had taken over Cyrene by this time, and Carthage may have been spared a trial of arms against the Persian Empire when the Phoenicians refused to lend ships to Cambyses in 525 BC for an African expedition. Carthage may have paid tribute irregularly to the Great King. It is not known if Carthage had any role in the Battle of Cumae in 524 BC, after which Etruscan power began to wane in Italy.