ISLAMABAD - Former prime minister and PML-N Quaid Nawaz Sharif has said that the future of Pakistan depends on the restoration of deposed judges. "This is a national cause and we are fully participating in it," he said this while talking to reporters at the Islamabad Airport after arriving here from London Wednesday to take part in the lawyers' 'long march'. He said his party is determined to restore the judiciary on November 2, 2007 position. "I have shortened my stay in London and back to home just to participate in the lawyers' long march," he added. Nawaz Sharif was in the United Kingdom to inquire about his wife's health but came back to home aimed to express solidarity with the lawyers. The lawyers march started from Karachi on Monday demanding restoration of the deposed judges. APP adds: Chairman Pakistan Tehreek-i-Insaf (PTI) Imran Khan would join lawyers' long march from Lahore to Islamabad. Taking to the mediapersons before leaving here, he appealed to people to actively participate in the long march for the independence of judiciary and reinstatement of deposed judges. He said the party office-bearers and workers countrywide are attending the long march to express solidarity with the cause of restoration of the ousted judges.