The Central Bureau of Investigation (CBI) arrested Vijay Nair, an aide of Delhi Deputy Chief Minister Manish Sisodia and communications chief of the Aam Aadmi Party (AAP), for an alleged scam in the since-withdrawn liquor policy of Arvind Kejriwal's government. Vijay Nair is one of 15 persons, including Mr Sisodia, named in the FIR.