Lahore police under attack

The surprise attack triggered hours of fighting between security forces and the assailants [AFP]

As many as 800 people were believed to be in the building when the attack began [AFP]

Hundreds of policemen arrived at the site where several officers were believed to be held hostage [AFP]

Police were forced to call in paramilitary forces to help them retake control of the facility [AFP]

Security forces finally took control of the academy after eight hours of fighting in which at least 50 people died [AFP]

Officials said at least four of the attackers were killed and another six seized during the operation [AFP]

Security forces later arrested six suspects allegedly linked to the attackers [AFP]

Pakistan has faced scores of attacks in recent years, but Lahore has largely escaped the violence [AFP]