FAISALABAD- Punjab Law Minister Rana Sanaullah today said that PPP Senator Rehman Malik wrote a threat letter to party chairman Bilawal Bhutto. Talking to journalists in General Hospital in Faisalabad, outspoken provincial minister said according to initial investigation reports Malik had written the threat letter to Bilawal to defame Punjab government. Rana said that Malik had been involved in such acts in the past to malign Punjab government added that former interior minister is a liar person. He said Bilawal Bhutto would be welcomed and provided foolproof security if he comes to Punjab. The minister said Taliban do not seem serious in dialogue process added for success of peace process TTP should announce unconditional ceasefire.