Three explosions at Egypt's Presidential Palace
The group Agnad Misr is thought to be responsible for the bombings. (AFP/File)
Click here to add Agnad Misr Islamist as an alert
Disable alert for Agnad Misr Islamist,
Click here to add Ahmed El-Ashmawy as an alert
Disable alert for Ahmed El-Ashmawy,
Click here to add al-Nahda as an alert
Disable alert for al-Nahda,
Click here to add Cairo University as an alert
Disable alert for Cairo University,
Click here to add Egyptian court as an alert
Disable alert for Egyptian court,
Click here to add Islamist as an alert
Disable alert for Islamist,
Click here to add Mohamed Morsi as an alert
Disable alert for Mohamed Morsi,
Click here to add Twitter as an alert
Disable alert for Twitter
A third explosion near the Ittihadiya Presidential Palace has killed a second policeman, a short while after two previous bombs detonated on Monday, the first killing a police officer and injuring three others.
The name and rank of the second policeman has not yet been disclosed by the police. The first policeman, Colonel Ahmed El-Ashmawy, an explosives expert at the Cairo security directorate, was killed while attempting to defuse the first device and three other police officers from the explosives department were injured.
No casualties or injuries from the second device have been reported as yet.
Before the second explosion, two explosive devices had been found. One was defused while the other detonated.
Monday marks the first anniversary of mass protests on 30 June 2013 that demanded the ouster of Islamist president Mohamed Morsi.
Since his ouster on 3 July, and the dispersal of protest camps in Rabaa Al-Adawiya and Al-Nahda squares demanding his reinstatement, there have been numerous attacks on security forces, with at least 500 policemen and troops killed, according to the government.
Egypt's Heliopolis prosecution was inspecting the area when the second bomb exploded.
In a statement released on their alleged Twitter account on 27 June 2014, the Agnad Misr Islamist militant group had declared that it managed to breach the presidential palace security .
Furthermore, in a warning to civilians, the statement explicitly identified -- in red bold font -- the exact location of the explosive devices that were found Monday morning.
Agnad Misr, officially designated a terrorist organisation in May 2014 by an Egyptian court, has previously claimed responsibility for a number of operations, including the Cairo University bombing in April 2014.