New Delhi, July 25 -- Leader of the Opposition Rahul Gandhi on Friday intensified his attack on Union education minister Dharmendra Pradhan, calling him a "criminal education minister" and demanding his removal over exam paper leaks, as he presented before the media a student protester allegedly injured by a pellet gun during the July 20 protests in the capital. Gandhi also demanded action against security personnel accused of using pellet guns and batons against protesters, and called on Prime Minister Narendra Modi to apologise to students. Addressing reporters outside Congress Parliamentary Party chief Sonia Gandhi's 10, Janpath residence, Gandhi stood alongside Sahil, a 19-year-old Delhi University student who alleged that he was hit in...