PESHAWAR - At least 35 people were killed and around 180 others injured as a result of suicide explosion on the eve of a funeral at Dera Ismael Khan on Friday morning. Condition of several injured was stated to be precarious and, therefore, the number of casualties was apprehended to increase. Soon after the explosion, tension spread all over the city, which connects NWFP with Punjab and Balochistan. As per details, Sher Zaman alias Shero, a religious figure, was gunned down by unknown persons on Thursday. Sher Zaman belonged to Shia community and was serving a religious institute Imambargah Talla Shaheen as its Mutawali. A large number of people were offering his Namaz-i-Janaza, when a huge explosion occurred. The eyewitnesses informed that the explosion was so severe that 20, out of 25, were killed on the spot. Most of the victims belonged to Shia community. As a result of the explosion, violence erupted and routine business of life came to a halt and the angry people started to set shops and vehicles on fire. Firing also started in scattered areas of the city. The site of the explosion was considered to be most congested part of the city and thus unrest was caused all over the area. The eyewitnesses informed that one person entered the funeral and exploded himself. The police authorities directed the personnel to shoot all those found damaging properties and vehicles. Emergency was declared in hospitals and several parts of the city. APP adds: Following the blast and subsequent demonstration in the city, the district administration imposed curfew. DCO Syed Mohsin Shah told the agency that army troops have been called in to control the situation. Inspector General Police (IGP) NWFP Malik Naveed Khan has constituted a joint special task force to probe into the blast. The Joint Special Task force, to be headed by DIG DI Khan, will include officials from different law enforcement agencies, said a handout issued here on Friday. The joint task force has been directed to thoroughly probe into the matter and submit its report within ten days positively. Meanwhile, President Asif Ali Zardari and Prime Minister Syed Yousuf Raza Gilani have strongly condemned the blast. They said in their separate messages that the government would not bow down to the extremists, militants and terrorists and would take all necessary measures to establish the writ of the government. President Zardari said that such acts of violence, bomb blasts and terrorism were a serious threat to the country and directed the local administration to take strict measures so that no such incidents recur. Prime Minister Gilani taking a strong note of the tragic incident sought a report from the provincial government. He said the government was committed to ensure law and order across the country. He directed that law enforcement agencies to ensure strict security measures at all large gatherings and investigate the matter to bring the perpetrators to justice. The President and the Prime Minister also prayed to Almighty Allah to shower his blessings and to grant courage to them to bear this irreparable loss. They also directed the provincial authorities to provide best possible medical care to the injured. Chief Minister NWFP Amir Haider Khan Hoti also strongly condemned the attack and said that the elements involved in this barbaric act are enemy of Islam and humanity. He directed the law enforcement agencies to utilise all available resources for early arrest of the perpetrators involved in this inhuman and un-Islamic act. Amir Khan Hoti also prayed to Allah Almighty to rest the departed souls in eternal peace and grant courage to the members of bereaved families to bear this irreparable loss with patience and fortitude. Hoti prayed for the early recovery of the injured and said that his government equally shared the grief and sorrow with the victims' families and will not left them alone in this testing times. Minister for Information and Broadcasting Sherry Rehman also strongly condemned the bomb blast. In her message, Sherry Rehman termed the blast "a cowardly act" and said the current spate of terrorism is designed to demoralise the people and to disrupt the process of development. She expressed heartfelt sympathies with families of the victims and wished early recovery to all those who sustained injuries in the blast.