KIEV, Nov. 21 ??“ Sviatoslav Piskun, reinstated as the prosecutor general by a controversial court ruling Friday, threatened to again sue President Viktor Yushchenko after a guard hadn??™t let him enter the Prosecutor General Office Monday.

???If the president doesn??™t comply with the court ruling??¦ there is a legal responsibility,??? Piskun said in an interview with NTN television Monday.