Three persons were injured following a clash between supporters of two political parties in Daulatpur village outside of a polling booth in the district, police said today.
The trouble started when two persons belonging to RLD and BJP entered into an altercation on the issue of victory of their respective candidates, they said.
After casting their votes, they engaged in fisticuffs outside the polling booth. Later, the supporters of both the parties (RLD and BJP) resorted to brickbatting in Daulatpur village, followed by firing from both sides there, police said.
"Twelve persons have been arrested and there is no hindrance in the polling," SDM Vishwabhushan Mishra said.
Heavy security force has been put in the village and polling is going on smoothly, when the last report came in, police said.
Over 36.62% voters exercised their franchise in the first six hours in Uttar Pradesh, where polling is going on in 12 seats in the third phase to decide fate of 188 candidates.