Six workers of the BJP and four of the Congress were injured on Monday in violence during the Kota Assembly by-polls in Chhattisgarh.
Workers of the two parties attacked each other with sticks and stones in Belgahna.
Voting had begun at 7.30 am and over 30 per cent voters exercised their franchise by 1 pm.
Five battalions of Central police, including the Central Reserve Police Force, and thousands of state armed forces were deployed at the polling centres.
Extra security personnel were deployed at 63 'hyper sensitive' polling booths.
According to an Election Commission official, some reports of polling disturbances had come in from Ratanpur and Gorela areas.
Though there are 23 candidates in the fray, the main contest is between BJP candidate Bhupendra Singh Thakur and Renu, wife of former Chhattisgarh chief minister Ajit Jogi.
Kota has a little over 1,46,000 voters and 187 polling centres.
Counting will be held on December 7 and the results are expected by afternoon on the same day.