Clashes broke out in Andhra Pradesh's Amalapuram town on Tuesday and a group of mob set state Transport Minister P Viswarup's house on fire over the proposed renaming of the newly-created Konaseema district as BR Ambedkar Konaseema district. Section 144 was imposed after an arson broke out when police resorted to lathi-charge at the crowd protesting outside the house of the district collector, leaving many police personnel injured.