Chennai: Tamil newspaper Dinamalar has received a letter threatening an attack similar to the one on the office of French satirical magazine Charlie Hebdo, police said. The letter in English says, “Yesterday - Paris Charlie Hebdo, tommorrow - Dinamalar". The words appear against the background of India's map. The letter was sent by post by unidentified elements claiming to belong to an outfit called "The Base Moment," and said to be based at "3/10, Ukkadam, Kovai, Tamil Nadu, India. Below the map is a picture of Osama Bin Laden and the words "By Al Qaeda," and some Arabic words appearing like a signature.