I heard BJP-RSS persons attacked visitors at Bhima Koregaon: Umar Khalid says in statement to NIA

The conclave was organized to commemorate the 200th anniversary of the battle of Koregaon Bhima in which the Peshwas suffered a defeat at the hands of the British army comprised mainly of Dalits. The day was seen as a win of the Dalits over the Peshwas.