correspondent nadine barber joins us live. sarcozy has not been arrested, he's under formal having. what does this mean? >> well, that's right. he's under formal investigation for three things - influence pedalling, corruption and benefitting from the broach of professional secrets. now, he was placed under formal investigation in the early hours of wernings after around 18 hours of questioning. he was - he actually arrived on tuesday morning at, say - at police headquarters outside paris, and he was questioned for a long time before being taken to meet with investigating judges, who placed him under formal investigation. then he was released in the early hours. the same situation for his lawyer as well, who has been charged with influence pedalling. the allegation is that they were involved in trying to seek inside information on a case against nicolas sarkozy, surrounding his 2006 presidential campaign, there were allegations that he may have illegally received financing from france's richest woman, lillian bettan core. the investigation was dropped, but this year judges tapped th