The Diet affairs chiefs of the Democratic Party of Japan and Liberal Democratic Party agreed Friday to adopt Diet resolutions protesting South Korean President Lee Myung Bak's recent visit to the group of islets controlled by South Korea and claimed by Japan.

The agreement reached by the DPJ's Koriki Jojima and the LDP's Fumio Kishida covers resolutions to be introduced in both houses of the Diet to protest Lee's Aug. 10 visit to the isles known as Takeshima in Japan and Dokdo in South Korea.

They said they will seek the support of other parties in a bid to have both resolutions adopted unanimously.