TMC MP Derek O'brien in an exclusive interview spoke on the recent attack which was unleashed on TMC president and West Bengal Chief Minister Mamata Banerjee. The TMC Chief had alleged on Wednesday evening that during her campaign in Nandigram, she was attacked by four-five men who pushed her, besides banging on her the door of her car, leading to the injuries. For more, watch the exclusive interview of TMC MP Derek O'brien.