In West Bengal, tension prevails at Netai village in Lalgarh of West Midnapore district after Friday's clash between ruling CPI(M) and Trinamool Congress supporters. Seven people have been killed in the clash. The police arrested two persons in connection with the incident. AIR Kolkata correspondent reports the joint security force are patrolling in the area. Security force recovered one landmine and some other fire-arms from the spot of the incident. Meanwhile, the Trinamool Congress chief Mamata Banerjee who rushed to Midnapore town late on Friday visited the injured at the hospital and scheduled to go to Lalgarh this afternoon. Condemning the incident, State Governor M K Narayanan said that no democracy could allow such violence and the government should take proper steps to act. Meanwhile, the Election Commission team has arrived in Kolkata to review the Assembly election preparations in West Bengal. Chief Election Commissioner S Y Qureshi is leading the delegation. AIR Kolkata correspondent reports during their stay in the city, the Members of the Commission will review the law and order situation, progress of distribution of voters' photo-identity cards and revision of the electoral rolls this afternoon. The Commission will also hold meetings with nine political parties in the state and District Magistrates, Superintendents of Police and top brass of the State administration.