At least 10 people have been killed in an explosion outside a public park in the city of Lahore in Pakistan.
Rescue officials said more than 30 people were injured, most of whom are women and children.
Police said the nature of the blast was not clear.
At least 15 people are dead after a bomb exploded on a bus carrying government officials in the northwest Pakistan city of Peshawar.Read the full story ›
Pakistan will take part in the ICC World Twenty20 in India, after receiving clearance to do so from their own Government.
The Pakistan Cricket Board's executive committee chairman Najam Sethi confirmed on Friday that his country's Interior Ministry has decided both men's and women's teams should travel, after appropriate reassurances of team safety from the Indian authorities.
Two days ago, the International Cricket Council agreed to move Pakistan's Group 2 fixture against India from Dharamsala to Kolkata.
The PCB, however, deferred departure and called for further guarantees of security from the hosts of the global tournament following "specific threats to the team from various political parties and groups during the tour".
Pakistan politician Imran Khan has praised the security guards, police and local citizens for combating a terror attack and "preventing a huge tragedy" at the Bacha Khan University.
Mr Khan also accused the Taliban of "hitting soft targets" because they are desperate.
Former British Prime Minister Gordon Brown has strongly condemned an attack on a university in Pakistan as "heinous, despicable and cowardly".
Speaking to ITV News in Davos, Mr Brown accused the Taliban and other Islamist militant groups of trying to turn schools into "theatres of war".
He called on the international community to condemn the attack and pledge to treat such incidents as a "crime against humanity" which is punishable under international criminal law.
Eighteen students and two members of staff were killed during the attack on Bacha Khan University in Charsadda, according to Pakistan military spokesman Lieutenant-General Asim Bajwa.
Lieutenant-General Bajwa also told ITV News that four terrorists were killed by security forces at the scene.
Nobel-prize winner Malala Yousafzai has said she is "heartbroken by the attack on students and staff at the Bacha Khan University" which may have killed up to 40 people.
In a statement, Malala, who was shot by the Taliban for her views on female education, "strongly condemned" the attack.
I am heartbroken by the attack on students and staff at the Bacha Khan University in Charsadda and strongly condemn this brutal assault. My prayers are with the families of all the victims and all those who suffer as a result of extremist violence.
This brutality must be stopped. The authorities must act to ensure that all schools and universities are safe. I urge all people with peace in their hearts to renew their resolve to stand up to terrorism and ignorance and work together to protect life and learning.
This attack happened on the 28th anniversary of the death of Abdul Ghaffar Khan who was a great freedom fighter, a man of peace. I hope his message of non-violence and harmony will prevail and end intolerance in our society.
The official spokesman for the Pakistani Taliban said on Wednesday that the Islamist movement was not behind the deadly attack on a university that killed at least 19 people.
The written statement by spokesman Muhammad Khorasani came hours after a senior Taliban commander said four of his fighters launched the assault on Wednesday at Bacha Khan University in Charsadda in Khyber Pakhtunkhwa province.
The reason for the conflicting statements was not immediately clear.
A spokesman for the Pakistani Army says the Taliban was behind an attack this morning at a university which reportedly left at least 21 people dead.
The spokesman said the clearance operation has ended, with four gunmen dead.
The militants, using the cover of thick fog, scaled the walls of the Bacha Khan University in Charsadda, northwestern Khyber Pakhtunkhwa province, before entering buildings and opening fire on students and teachers in classrooms and hostels.
A siege at a university in northern Pakistan has ended, with the death toll now reaching 21 people, according to the Agence France Presse news agency.
A security official told Reuters the death toll could however rise to as high as 40 as the army cleared out student hostels and classrooms.
Bodies of students, guards, policemen and at least one professor have been recovered.
The army said firing had ended after several hours and four militants had been killed.