(Eds: Adding word in intro, updating with Civil Aviation Ministry's tweet) Mumbai, Oct 25 (PTI) Civil Aviation Minister Suresh Prabhu on Thursday condemned the "cowardly attack" on YSR Congress chief Y S Jagan Mohan Reddy at the Visakhapatnam airport and asked all agencies concerned to probe the matter thoroughly. Reddy, the leader of the Opposition in the Andhra Pradesh Assembly, received a minor injury on his shoulder when he was attacked by a man with a sharp-edged object at the airport, according to official sources. "The unfortunate attack by an authorised employee of a licensed airport restaurant took place before the security hold area of Vizag airport, and the same will be investigated expeditiously," the Civil Aviation Ministry said in a tweet. In a tweet from his personal handle, Prabhu said he was shocked by the attack on Reddy and that the guilty would be punished. "Asked all agencies to investigate matter thoroughly,including @CISFHQrs. Asked secretary civil aviation to fix responsibility. I strongly condemn this cowardly attack, we will punish the guilty. Investigations are underway, started immediately," the minister said.