BAHAWALPUR: Regional Police Officer (RPO) Idrees Ahmed on Thursday said police are striving hard to implement the National Action Plan in across the region. Under NAP, 125 cases of violation of Loud Speaker Act have been registered and as many as 166 accused have been arrested in March. Talking about violation of Arms Act, he said that 173 cases have been registered. As many as 45 cases have been registered and 40 persons were arrested for wall chalking, he concluded.