North Korean officials from the National Defence Commission sent a letter to President Barack Obama officially protesting the release of the James Franco and Seth Rogen film "The Interview" on Thursday, according to reports in the Voice of Korea.

In the letter, which marks the second time North Korea has lodged a letter to formally complain about the film, officials from the powerful National Defence Commission are said to have complained that the film insults Kim Jong Un, Voice of America reported, citing multiple diplomatic sources.