Story highlights The attacker rode an explosive-laden motorcycle into a Pakistani security forces vehicle, an official says

The subsequent blast shattered glass in homes and buildings in Quetta

A doctor at a local hospital says at least 5 people were injured seriously

(CNN) A man rammed his explosive-laden motorcycle into a Pakistani security forces' vehicle, setting off a blast that killed at least eight people and injured about 20 others, officials said.

The suicide attack took place Saturday evening outside a district court in Quetta, which is in southwestern Pakistan's Balochistan province, said Quetta police official Syed Imtiaz Shah.

The Pakistani Taliban claimed responsibility for the attack in a statement released Saturday through the group's spokesman Mohammad Khurrassani.

Three security personnel are among the dead, according to Shah.

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