Court papers related to the National Crime Agency s money-laundering investigation into PML-N chief Shehbaz Sharif and his son Suleman Sharif have revealed that Aneel Mussarat, a Pakistan Tehreek-e-Insaf (PTI) donor and a friend of Prime Minister Imran Khan, bought a property in London on behalf of Sharif and also helped him buy two others while they were close friends, according to a media report.