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Deadly blast at Egypt security site Deadly blast at Egypt security site
(about 2 hours later)
A blast at a security building in northern Egypt has killed at least 14 people and injured more than 100, security sources and state media say. A huge explosion at a security building in northern Egypt has killed at least 14 people and injured more than 100, officials and state media say.
They say the explosion in the Nile Delta town of Mansoura, north of Cairo, was massive and led to a partial collapse of the building. The blast, reportedly caused by a car bomb, led to the partial collapse of the building in the city of Mansoura.
There are fears that the death toll could rise further. Interim Prime Minister Hazem Beblawi called it "an act of terrorism".
It was not immediately known what caused the explosion, but one report suggested it was a car bomb. Attacks on Egypt's security forces and police have increased since the army removed Islamist President Mohammed Morsi in July.
Although no group has claimed responsibility for the blast, interim Prime Minister Hazem Beblawi described the Muslim Brotherhood as a "terrorist group", according to Egypt's Mena news agency. No group has so far claimed responsibility for Tuesday's blast.
Mr Beblawi told satellite channel ONTV: "The state will do its utmost to pursue the criminals who executed, planned and supported that attack."
Security chief 'injured'Security chief 'injured'
The explosion shook the building at about 01:10 on Tuesday (23:10 GMT on Monday), officials say. The explosion shook the building at about 01:10 (23:10 GMT on Monday).
More than 100 people were injured in Mansoura, the capital of the Dakahliya province. More than 100 people were injured in Mansoura, the capital of Dakahliya province in the Nile Delta region.
Unconfirmed reports say the provincial security chief was among those wounded. Media reports say the provincial security chief was among those wounded.
The blast shattered windows of nearby buildings and its impact was felt about 20km (12 miles) away, reports say. The blast shattered windows of nearby buildings and its impact was felt about 20km (12 miles) away, the reports say.
Militants have stepped up attacks on Egyptian security forces following the removal of Islamist President Mohammed Morsi by the army in July. Since the removal of Mr Morsi - Egypt's first democratically elected president - his supporters have been staging mass rallies demanding his immediate release.
Supporters of Mr Morsi have since been staging mass rallies, demanding the immediate release of Mr Morsi - Egypt's first democratically elected president.
More than 2,000 Muslim Brotherhood members have been arrested, and 450 of them on Monday went on hunger strike in protest at their "inhumane treatment".More than 2,000 Muslim Brotherhood members have been arrested, and 450 of them on Monday went on hunger strike in protest at their "inhumane treatment".
Mr Morsi is now facing three separate criminal trials relating to his time in office.Mr Morsi is now facing three separate criminal trials relating to his time in office.
The first trial opened on 4 November but has been adjourned until 8 January.The first trial opened on 4 November but has been adjourned until 8 January.