PML(N) has lodged a strong protest in the National Assembly over distribution of article against Nawaz Sharif's daughter Mariam Nawaz on Friday. PML (N) parliamentarians also demanded Prime Minister Syed Yousuf Raza Gilani to look into the matter. Speaking in the house, the prime minister said that no paper or document could be distributed on floor of the house without permission of the Speaker. "According to the rules and practice, no paper or document can be distributed on floor of the house without Speaker's permission," the Prime Minister said. MNAs Shahnaz Sheikh and Hanif Abbasi had raised the matter of distribution of a pamphlet in the Parliament premises regarding illegal migration of Mariam Nawaz to King Edward Medical College.