Pakistan Muslim League-Nawaz chief Nawaz Sharif on Monday underscored the need for a probe into the allegations levelled against the Muttahida Qaumi Movement by former Sindh senior minister Dr Zulfiqar Mirza, as the charges were of a serious nature. Nawaz who met Punjab Chief Minister Shahbaz Sharif in Raiwind, said Pakistan was not anyone’s property and belonged to the public, which needed to know all facts. During the meeting, Shahbaz informed Nawaz about the prevalent national political situation.