A bomb explosion has destroyed a bus in Cairo, injuring at least five people, as tension continues to rise in Egypt.
Authorities say the homemade device had been put on a traffic island and that a second one, found nearby, was made safe.
It comes the day after the government declared the outlawed Muslim Brotherhood a terrorist organisation and two days after a huge blast in the city of Mansoura.
A suicide car bomber killed 15 people at a security compound on Tuesday, almost all of them police officers.
Attacks on security forces have multiplied since the army ousted President Mohamed Mursi in July amid mass unrest against his rule.
An al Qaeda-inspired militant group says it was behind the Mansoura blast in which some 140 people were injured. But the government has blamed Mursi’s Muslim Brotherhood, despite the group’s condemnation of the bloodshed.
The Brotherhood says it remains committed to peacefully resisting what it calls a military coup.
Since Mursi’s overthrow, the state has killed hundreds of his supporters in the streets and arrested thousands more.
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