Five bombs exploded outside police stations in Egypt's second city of Alexandria on Tuesday, wounding 10 civilians, police said.
Militants regularly set off explosives in Cairo and Alexandria, but the deadliest attacks have been in the Sinai Peninsula where troops are fighting an Islamist insurgency.
Tuesday's bombings all struck eastern neighbourhoods of the Mediterranean city.
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Two bombs went off in front of police stations in Montaza district, wounding nine civilians.
A third bomb outside a police station in Raml wounded one civilian, while two more in Smouha and Sidi Bechr districts caused no casualties.
Last week, a bomb blast near a police checkpoint on the western outskirts of Alexandria killed one civilian and wounded two.
Militants have killed scores of policemen and troops in bombings and shootings, mostly in the Sinai Peninsula, since the army toppled Islamist president Mohamed Morsi in July 2013.
The militants say their attacks are to avenge a deadly crackdown on Morsi supporters that has left hundreds dead, thousands jailed and hundreds sentenced to death.