CAIRO- At least six people were wounded early on Thursday in a car bombing near a state security building and courthouse in a Cairo suburb, security sources said.
The sources, who inspected the site of the blast in Shubra al-Khaima, said there was a burned-out vehicle and crater.
Comments on Twitter indicated the blast was heard in several parts of the Egyptian capital.
Militants based in the Sinai, who support the Islamic State group that controls parts of Iraq and Syria and have a presence in Egypt's neighbour Libya, have previously claimed responsibility for attacks on security forces.
Hundreds of soldiers and police have been killed since the army toppled Islamist President Mohamed Mursi in 2013 after mass protests against his rule.
Egyptian President Abdel Fattah al-Sisi has vowed to eradicate militancy, which he has said is an existential threat to the Arab world and the West
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