DMK members, along with the members of various Tamil outfits, burn an effigy of BJP leader H Raja in Chennai

The attacks on statues snowballed into a major political storm on Wednesday when busts of Dalit icon B R Ambedkar in Meerut and Jana Sangh founder Syama Prasad Mookerjee in Kolkata were damaged, forcing Prime Minister Narendra Modi and BJP President Amit Shah to speak tough against vandalism and warning the guilty of action.