In the over 20-page report, the central probe agency has also stated that the seven persons whose charred bodies were recovered from inside one of the burnt houses in Bogtui village, were "assaulted before being burnt alive".
West Bengal minister Nure Alam Chowdhury was on Sunday seriously injured by a mob which took him hostage following a dispute over a piece of land owned by a college in Rampurhat of Birbhum district, the police said.
The main accused in the brutal murder of a college student in North 24 Parganas district, was on Wednesday arrested from Rampurhat in Birbhum district, the police said.
Train services on the Khana-Rampurhat section of the Howrah division in Birbhum district, where a high speed express collided with another, were restored on Tuesday.
A CPI-M leader was stabbed to dead and two others seriously injured by unknown persons in a procession early Monday at Nischintapur in Rampurhat of Birbhum district.
Around 35,000 to 40,000 chickens have died in Birbhum district alone.
Eight people -- all women and children -- were beaten and burnt alive by a mob on Tuesday.
''Over 3.50 lakh birds in Birbhum and 26,000 in South Dinajpur district will be culled from tomorrow,'' Animal Resources Development Minister Anisur Rahaman said on Tuesday.
The EC has deployed 580 companies of central forces to man over 98 per cent of the polling booths in these constituencies to ensure free and fair polling.
With a substantially weakened Left Front and the Congress, political observers say the anti-Trinamool vote will go to the BJP.
Six persons, including a woman, were killed and 18 were injured in violence and CRPF firing in the fourth phase of the West Bengal panchayat elections on Monday. Polling in four districts saw a voter turnout of 25 per cent.
Seventy-one parliamentary constituencies spread across nine states voted in the fourth phase of Lok Sabha elections.
Sporadic violence marked the third phase of panchayat elections in West Bengal on Friday covering three districts of Howrah, North 24-Parganas and South 24-Parganas where an average 25 per cent polling was recorded in the first four hours of voting.
