Twenty people were injured in overnight Pakistani firing at the border in Jammu and Kashmir.Pakistan Rangers again started firing at Indian positions in Hira Nagar sector of the international border in Kathua district Wednesday morning."Four army soldiers were injured in Pakistan firing on the LoC in Poonch district, one BSF trooper and 15 civilians were injured in firing by Pakistan Rangers on the international border in Jammu district during the night."Pakistan has again started firing at BSF positions and civilian areas in Hira Nagar sector of the border in Kathua district Wednesday morning," a senior police officer told IANS in winter capital Jammu.