At least 130 people, most of them students as young as 12, have been killed and at least 122 others injured in a Taliban seizure of a military-run school in the city of Peshawar, Pakistan, according to recent media report.
The attack started with the Taliban occupying the school in the morning hours of Tuesday and started shooting at random.
Military officials at the scene said at least six armed men had entered the military-run Army Public School. About 500 students and teachers were believed to be inside.
The Pakistani Army responded to the emergency, dispatching local authorities to secure the area and sending military helicopters for surveillance. A commando force arrived at the site.
Locals reported hearing the screams of students and teachers. The dead are said to also include teachers and a paramilitary soldier.
Gunfire and explosions were heard as security forces hunted down the militants.
"My son was in uniform this morning. He's in a casket now." Parents' agony at #PeshawarAttack http://t.co/bDag9CahLi pic.twitter.com/SDzyuJPiWU
— Sky News (@SkyNews) December 16, 2014
The attack is being seen as one of the worst so far in Pakistan.
Thousands of Pakistanis have been killed in militant violence in recent years - but the latest attack has caused unprecedented shock.