Grief over a Taliban massacre of 132 students in a miltary-run school in Pakistan is slowly giving way to widespread disgust and anger throughout the country.

Yesterday, thousands of workers of Mutahidda Qaumi Movement, a powerful regional party, gathered at their headquarters in Karachi to protest the attack.

Holding placards reading: "Crush Taliban To Save Our Children," the protesters chanted slogans against the militants.

Gunmen wearing suicide vests attacked the elite, military-run Army Public School in Peshawar on Tuesday, methodically gunning down the students and nine staff members.

In capital Islamabad, for a second day running, scores of activists and civil society members gathered outside the Red Mosque, perceived to be sympathetic towards the Taliban.

The protest was announced on the social media with the hash tag "reclaim our mosques".

The attack is the bloodiest massacre the country has seen for years.

Grieving Pakistanis held processions and candle light vigils across a country in mourning.

However, three days after the shocking incident, tempers are rising, and calls for strong action against the terrorists are increasing.

Earlier, police had registered a First Information Report against participants of the protest on Thursday on a complaint by the mosque management. But that did not seem to deter the angry crowd.

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