Somali Al-Shebab fighters gather on February 13, 2012 in Elasha Biyaha, in the Afgoei Corridor, after a demonstration to support the merger of Al-shebab and the Al-Qaeda network. Shebab insurgents staged rallies across Somalia on February 13 to celebrate their group's recognition by Osama bin Laden's successor as a member of the Islamist Al-Qaeda network. Al-Qaeda chief Ayman al-Zawahiri announced in a video message posted on jihadist forums on February 9, 2012 that Shebab fighters had joined ranks with the Islamist network. AFP PHOTO / Mohamed Abdiwahab (Photo credit should read Mohamed Abdiwahab/AFP/Getty Images)
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01:37 - Source: CNN

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Government official: Three insurgents and one Somali intelligence official were killed

Al Shabaab has waged a long insurgency in Somalia

Mogadishu, Somalia CNN  — 

A suicide bomber rammed a car packed with explosives into the entrance of a Somali intelligence training center Sunday, a government official said.

And armed attackers traded heavy gunfire with security guards as they tried to enter the building, said Mohamed Yusuf, spokesman for the Somali Security Ministry.

The militant Islamist group Al Shabaab has claimed responsibility for the attack, Yusuf said.

Yusuf said Somali security forces killed three insurgents. But at least one Somali intelligence official was also killed, he said.

Al Shabaab has been designated a terrorist organization by several countries, including the United States. It has waged a long insurgency in Somalia.