The attack took place on a main road after the bus picked up government workers from districts surrounding Peshawar and was taking them to work in the city.
VICE News visited Charsadda, northwestern Pakistan, where gunmen stormed a university on Wednesday and killed at least 20 people.
Witnesses said they saw several young men wielding AK-47 guns storming the university housing where many students were sleeping. At least 20 people are dead.
VICE News spoke to eyewitnesses who saw the attack, which killed at least five police officers, as well as a child and a local journalist. The Pakistani Taliban have claimed responsibility.
The men were hung on Wednesday, just days before the anniversary of the school attack that killed 141 people, including 134 children.
The massive quake that has now killed more than 300 people in Afghanistan and Pakistan has prompted the Taliban to get involved in the disaster relief effort.
The huge quake struck a remote area of northeastern Afghanistan on Monday, killing dozens there and in neighboring Pakistan.
Eight months after a horrific Taliban attack on a school in Peshawar shocked the world, six militants have been sentenced to death for their involvement, with another given a life sentence.
VICE News spoke to the family of Shafqat Hussain, who is scheduled to hang on Thursday. He was just 14 when he was sentenced to death and his 'confession' was allegedly extracted through days of torture.
The man Karachi police identified to VICE News as "Kabi" has reportedly confessed that he is second in command of the Afghan Taliban military wing the Wadat Group.
The massive effort follows the killing in December of 150 students and teachers by Taliban militants, who used cellphones registered to a woman with no connection to the attack.
Pakistan’s Death Row Prisoners Face Broad 'Terrorism' Charges, Harrowing Conditions, and a Crumbling Justice System
Following the Peshawar massacre, Pakistan rushed to lift a moratorium on the death penalty, leading to many concerns for rights groups and the thousands languishing behind bars.