Rashtriya Janata Dal chief Lalu Prasad Yadav has left the Enforcement Directorate agency office in Patna after he was questioned for nearly ten hours in the central agency's money laundering probe into the alleged land-for-jobs scam. The RJD patriarch was accompanied by his daughter Misa Bharti, also an accused in the case, when he entered the probe agency's office around 11.05 AM.