People wheel the body of a victim, who was killed in a bomb blast, at a hospital in Peshawar
People wheel the body of a victim, who was killed in a bomb blast, at a hospital in Peshawar April 28, 2013. At least three people were killed and 16 injured in an explosion targeting the election office of independent candidate Haji Nasir Khan Afridi, local media reported. REUTERS/Fayaz Aziz (PAKISTAN - Tags: CIVIL UNREST POLITICS CRIME LAW ELECTIONS)
Two sisters wait for treatment at a hospital after they were injured in a bomb blast in Peshawar
Two sisters wait for treatment at a hospital after they were injured in a bomb blast in Peshawar April 28, 2013. At least three people were killed and 16 injured in an explosion targeting the election office of independent candidate Haji Nasir Khan Afridi, local media reported. REUTERS/Fayaz Aziz (PAKISTAN - Tags: POLITICS CIVIL UNREST ELECTIONS CRIME LAW)
A man who was injured in bomb blast talks on mobile phone at a hospital in Peshawar
REFILE - ADDING ADDITIONAL CAPTION INFORMATION A man who was injured in a bomb blast talks on a mobile phone at a hospital in Peshawar April 28, 2013. At least three people were killed and 16 injured in an explosion targeting the election office of independent candidate Haji Nasir Khan Afridi, local media reported. REUTERS/Fayaz Aziz (PAKISTAN - Tags: CIVIL UNREST POLITICS CRIME LAW ELECTIONS)
A man who was injured in bomb blast talks on mobile phone at a hospital in Peshawar
A man who was injured in a bomb blast talks on a mobile phone at a hospital in Peshawar April 28, 2013. At least three people were killed and 16 injured in an explosion targeting the election office, local media reported. REUTERS/Fayaz Aziz (PAKISTAN - Tags: CIVIL UNREST POLITICS CRIME LAW ELECTIONS)
Rescue workers and security officials collect evidence outside the election campaign office of an independent candidate Haji Nasir Khan Afridi, which was damaged in a bomb blast, in Peshawar
Rescue workers and security officials collect evidence outside the election campaign office of an independent candidate Haji Nasir Khan Afridi, which was damaged in a bomb blast, in Peshawar April 28, 2013. At least three people were killed and 16 injured in an explosion targeting the election office, local media reported. REUTERS/Khuram Parvez (PAKISTAN - Tags: CIVIL UNREST POLITICS)
A rescue worker collects evidence outside the election campaign office of an independent candidate Haji Nasir Khan Afridi, which was damaged in a bomb blast, in Peshawar
A rescue worker collects evidence outside the election campaign office of an independent candidate Haji Nasir Khan Afridi, which was damaged in a bomb blast, in Peshawar April 28, 2013. At least three people were killed and 16 injured in an explosion targeting the election office, local media reported. REUTERS/Khuram Parvez (PAKISTAN - Tags: CIVIL UNREST POLITICS)
Rescue workers and security officials inspect the election campaign office of an independent candidate Haji Nasir Khan Afridi, which was damaged in a bomb blast, in Peshawar
Rescue workers and security officials inspect the election campaign office of an independent candidate Haji Nasir Khan Afridi, which was damaged in a bomb blast, in Peshawar April 28, 2013. At least three people were killed and 16 injured in an explosion targeting the election office, local media reported. REUTERS/Khuram Parvez (PAKISTAN - Tags: CIVIL UNREST POLITICS)
Rescue workers and security officials collect evidence outside the election campaign office of an independent candidate Haji Nasir Khan Afridi, which was damaged in a bomb blast, in Peshawar
Rescue workers and security officials collect evidence outside the election campaign office of an independent candidate Haji Nasir Khan Afridi, which was damaged in a bomb blast, in Peshawar, April 28, 2013. At least three people were killed and 16 injured in an explosion targeting the election office, local media reported. REUTERS/Khuram Parvez (PAKISTAN - Tags: CIVIL UNREST POLITICS)
Rescue workers collect evidence inside the election campaign office of an independent candidate Haji Nasir Khan Afridi, which was damaged in a bomb blast, in Peshawar
Rescue workers collect evidence inside the election campaign office of an independent candidate Haji Nasir Khan Afridi, which was damaged in a bomb blast, in Peshawar April 28, 2013. At least three people were killed and 16 injured in an explosion targeting the election office, local media reported. REUTERS/Khuram Parvez (PAKISTAN - Tags: CIVIL UNREST POLITICS)
Rescue workers and journalists are seen outside election campaign office of independent candidate Afridi that was damaged in bomb blast in Peshawar
Rescue workers and journalists are seen outside the election campaign office of independent candidate Haji Nasir Khan Afridi that was damaged in a bomb blast in Peshawar April 28 , 2013. At least three people were killed and 16 injured in an explosion targeting the election office, local media reported. REUTERS/Khuram Parvez (PAKISTAN - Tags: CIVIL UNREST POLITICS ELECTIONS CRIME LAW)