Ruling Congress and opposition Shiromani Akali Dal supporters clashed openly in the presence of the Punjab Police in Ferozepur district on Wednesday in the run-up to the municipal elections in the state.Police sources said that supporters from both sides indulged in firing at each other and attacked each other with stones, bricks and sticks.Though no casualty was reported, a few vehicles were damaged in the clash.The clash took place in the Makhu and Mallanwala area of Ferozepur.Tension prevailed in the area following the clash.The Punjab Police was present in full strength at the spot where the clash took place but did not intervene immediately.Senior police officials said later that a case had been registered and efforts were being made to arrest the accused involved in the clash.Municipal elections in Punjab are to be held on December 17. The last date for filing of nominations was on December 6.The Akali Dal had complained to the state election commission on Tuesday, that its candidates were not being issued no-dues certificates by concerned police and administrative officials.