Nationals MP George Christensen has blocked the release of information about a federal police probe into his frequent travels to the Philippines over a four-year period.

The federal Queensland MP has objected to the release of key documents relating to the year-long police "assessment” of his pattern of travels in south-east Asia.

Nationals MP George Christensen has effectively blocked the release of details surrounding an Australian Federal Police probe into his Philippines travel. Credit:Alex Ellinghausen

About 57 folios of information including who referred him to police and when, and also why the assessment ended, were to be released at least in part by the Australian Federal Police.

But an investigation by Nine News, The Age and The Sydney Morning Herald has been stymied because "a third party has objected to the disclosure of those documents".