A security official says a bomb attack has targeted Egypt's prosecutor general in an eastern Cairo suburb but that he survived what the apparent assassination attempt.

The official says Monday's attack targeted Hisham Barakat's convoy as it was driving through Heliopolis district, heading to downtown.

The prosecutor's two security guards and a civilian were wounded. The official says it's not clear if Barakat was hurt or not. The official spoke on condition of anonymity because he is not authorized to speak to the media.

There was no immediate claim of responsibility for the attack, the first major assassination attempt on a high government official since the 2013 attack on the then-interior minister. That attack came in the aftermath of the ouster of Islamist President Mohammed Morsi.