In a development reflecting growing tensions between China and the European Union, Beijing has slammed the 27-country bloc for its comments on the controversial Hong Kong electoral reforms. The EU has warned Beijing against the Hong Kong electoral reforms, saying it is ready to take additional steps in response to any further serious deterioration of political freedoms and human rights in the city, Chinese state media reported. The call by the EU comes as Chinese leaders vowed to reform the electoral system to deter external forces interference in the affairs of Hong Kong and Macau on Friday, the first day of the National People s Congress (NPC) - the most important annual event in China s political calendar.