New Delhi: The Enforcement Directorate (ED) has summoned YSR Congress Party (YSRCP) MP PV Mithun Reddy and former Rajya Sabha MP V Vijayasai Reddy in connection with its ongoing investigation into the alleged multi-crore liquor scam in Andhra Pradesh. Officials said Mithun Reddy, Rajampet Lok Sabha Constituency Member, has been directed to join the probe.