Prayagraj: An FIR has been registered against BJP corporator Vinay Mishra and others at Daraganj police station for allegedly slapping a party worker during the party’s Prabudh Mahakumbh at Parade.DCP (city) Sagar Jain told TOI that the complainant, Rohit Tiwari, a resident of Koraon, alleged that Allahapur corporator Mishra and his supporters slapped him when he had asked deputy CM Keshav Prasad Maurya to speak on the UGC issue during the sammelan.Tiwari also alleged that he had only asked a question of the deputy CM when the corporator got angry and allegedly assaulted him in full public view. Tiwari is also a party worker.Police said investigations were on and action would be taken accordingly.