Pakistan, Sept. 27 -- The National Accountability Bureau (NAB) has broadened the scope of its investigation against former prime minister Nawaz Sharif in the Toshakhana reference, a private TV channel reported.

Sources privy to the development relayed the national graft buster has sought details of the PML-N supremo's bank accounts, vehicles, and properties from the relevant departments.

The bureau wrote to the Lahore Development Authority (LDA), the deputy commissioner of Lahore, the excise and taxation department, and private banks for the purpose, they said.

The corruption watchdog further asked the LDA to provide documents regarding 1,550 kanal land in Lahore said to be owned by Sharif besides seeking the record of a Mercedes and a...