Rashtriya Janata Dal (RJD) chief Lalu Prasad Yadav on Monday targeted Bihar Chief Minister Nitish Kumar over Janata Dal (United)'s election symbol, saying that 'arrow' marks violence while RJD symbol 'lalten' (lantern) lights up everyone's life.In a letter to Kumar ahead of the last phase of the Lok Sabha polls in Bihar on May 19, he said, "It seems that you have started strongly disliking 'light'. You do not know that 'lalten' is a symbol of light. It is a symbol of love and brotherhood. It is a tool to remove darkness from the lives of the poor."Yadav said in the letter in Hindi, "With the help of 'lalten', we have removed the darkness of hatred, oppression and injustice from people's lives. But your arrow is a weapon of violence. It is a synonym and symbol of violence." Attacking Kumar, the former Bihar Chief Minister said, "If someone is open-hearted and open-minded then 'lalten' can remove the darkness of unemployment, oppression, hatred, atrocities, injustice and ...