MP, Mu Sochua took up the issue in her campaign speech today.
The minister of information is now saying that he is not aware of the ban because he is campaigning- hard to believe as the ruling party never acts without order from the top.
They are feeling the heat:very strong reaction from faithful listeners of these radio stations that are very popular.
http://www.scmp.com/news/asia/article/1271750/us-criticises-cambodia-radio-curbs-during-election