ISLAMABAD - Adviser to Prime Minister on Accountability and Interior, Barrister Shahzad Akbar on Monday said, the government is making all out efforts to bring back former prime minister Nawaz Sharif as his period of stay in London has expired. Talking to a private news channel, he said Nawaz Sharif had applied for extension of his visa on medical grounds. The adviser said that Nawaz Sharif was a convicted in Pakistani courts and he should return to face corruption cases. He said the government had talked with England government about D-porting of Nawaz Sharif.