Alexandria (Egypt), Mar 25 (ANI): A bomb placed under a car exploded in Egypt's second city Alexandria on Saturday, killed two people including a policeman, two days before the country is due to hold a presidential election. Videos uploaded on social media showed a burnt out car and smoke at the site of the blast. The bombing, which wounded four other policemen, targeted Alexandria's security chief, police Major General Mostafa al-Nemr. There was no immediate claim of responsibility for the bombing. Polls will open on Monday when voters choose between Sisi and one little-known candidate who supports the former field marshal.