The Algerian capital, Algiers, has been rocked by two deadly bomb attacks, on the country's Constitutional Council and the offices of the United Nations.
Medical officials have said more than 60 people were killed, but Algeria's Interior Minister, Noureddine Yazid Zerhouni, has only confirmed 22 deaths.
The bombs were the latest in a series of attacks in Algeria this year.
No group has admitted responsibility, but Mr Zerhouni has blamed a militant Islamist group linked to al-Qaeda.
A recently-arrested militant had revealed that the Salafist Group for Preaching and Combat (GSPC) had planned several months ago to attack one of Tuesday's targets, Mr Zerhouni said.
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