Story highlights Four police officers die in the attack and seven more are wounded

The Taliban claim responsibility, saying 10 suicide attackers participated

Kabul, Afghanistan (CNN) A day after the Afghan army killed dozens of Taliban fighters in military operations, a Taliban suicide squad struck back.

The insurgents raided a jail in eastern Afghanistan early Monday, setting 350 inmates free, a provincial official said. They killed four police officers and wounded another seven in their attack.

The Taliban fighters detonated an explosives-laden vehicle in front of the jail in the city of Ghazni, and fired rocket-propelled grenades. Then six militants dressed in Afghan police uniforms raided the jail, said Mohammad Ali Ahmadi, deputy governor of Ghazni province.

Police returned fire, killing at least three insurgents, Ahmadi said.

Taliban spokesman Zabiullah Mujahid claimed responsibility for the attack. Ten suicide fighters carried it out, three of whom died, Mujahid said.

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