The Guardian is reporting that Andy Coulson is to be arrested tomorrow, with another former senior journalist arrested on the same day.

Coulson is facing scrutiny for his part played in the phone hacking scandal currently gripping the UK.

However it is understood that Coulson is being arrested for in relation to the perjury trial of Scottish politician Tommy Sheridan, who left office after a News of the World investigation.

At the trial, Coulson denied knowledge of police bribes or phone hacking, depite new evidence that appears to show Coulson did know of these actions.

Coulson was Prime Minister David Cameron's Director of Communications until the scandal forced him to quit early this year.

Read more at The Guardian >