 On 25 July Nasrallah announced the beginning of the "second phase of our struggle" in which Hezbollah long-range rockets would "go beyond Haifa," Israel's third-largest city.Israeli officials have been bracing for possible rocket attacks on Tel Aviv, which would mark a major escalation in the conflict.The threat has not been carried out to date, but on 26 July 2006, 60 Iranian volunteers and Basijis set off to join in what they termed a holy war against Israel in Lebanon.