A policeman uses a stick to remove a teargas shell fired to disperse a protest staged by Shi'ite Muslim women against Tuesday night's bomb attack on a bus, in Karachi
A policeman uses a stick to remove a teargas shell fired to disperse a protest staged by Shi'ite Muslim women against Tuesday night's bomb attack on a bus, in Karachi January 23, 2014. The bomb exploded near a bus carrying pilgrims returning from neighbouring Iran to their home city of Quetta in Pakistan, killing 24 Shi'ite pilgrims, and injuring at least 20 others, officials said. REUTERS/Athar Hussain (PAKISTAN - Tags: RELIGION CIVIL UNREST POLITICS CRIME LAW)
A policeman gestures while dispersing a protest staged by Shi'ite Muslim women against Tuesday night's bomb attack on a bus, in Karachi
A policeman gestures while dispersing a protest staged by Shi'ite Muslim women against Tuesday night's bomb attack on a bus, in Karachi January 23, 2014. The bomb exploded near a bus carrying pilgrims returning from neighbouring Iran to their home city of Quetta in Pakistan, killing 24 Shi'ite pilgrims, and injuring at least 20 others, officials said. REUTERS/Athar Hussain (PAKISTAN - Tags: RELIGION CIVIL UNREST POLITICS CRIME LAW)
Shi'ite Muslim women chant slogans during a protest against Tuesday night's bomb attack on a bus, in Karachi
Shi'ite Muslim women chant slogans during a protest against Tuesday night's bomb attack on a bus, in Karachi January 23, 2014. The bomb exploded near a bus carrying pilgrims returning from neighbouring Iran to their home city of Quetta in Pakistan, killing 24 Shi'ite pilgrims, and injuring at least 20 others, officials said. REUTERS/Athar Hussain (PAKISTAN - Tags: RELIGION CIVIL UNREST POLITICS CRIME LAW)
Security officials gather as they collect evidence at the site of a bomb blast on the outskirts of Peshawar
Security officials gather as they collect evidence at the site of a bomb blast on the outskirts of Peshawar January 23, 2014. At least six people were killed and eight injured on Thursday when a bomb exploded in a vehicle at a car workshop in Peshawar, according to local media citing superintendent Rahim Shah. (PAKISTAN - Tags: POLITICS CIVIL UNREST CRIME LAW)
A rescue worker comforts a man over the death of his relative at the site of a bomb blast on the outskirts of Peshawar
A rescue worker comforts a man (C) over the death of his relative at the site of a bomb blast on the outskirts of Peshawar January 23, 2014. At least six people were killed and eight injured on Thursday when a bomb exploded in a vehicle at a car workshop in Peshawar, according to local media citing superintendent Rahim Shah. REUTERS/Khuram Parvez (PAKISTAN - Tags: POLITICS CIVIL UNREST CRIME LAW)
A rescue worker comforts a man over the death of his relative at the site of a bomb blast on the outskirts of Peshawar
A rescue worker comforts a man (C) over the death of his relative at the site of a bomb blast on the outskirts of Peshawar January 23, 2014. At least six people were killed and eight injured on Thursday when a bomb exploded in a vehicle at a car workshop in Peshawar, according to local media citing superintendent Rahim Shah. REUTERS/Khuram Parvez (PAKISTAN - Tags: POLITICS CIVIL UNREST CRIME LAW)
A female supporter of Pakistan's head of APML political party and former President Musharraf, chants slogans along with others during a protest demanding a fair trial for him, in Karachi
A female supporter of Pakistan's head of the All Pakistan Muslim League (APML) political party and former President Pervez Musharraf, chants slogans along with others during a protest demanding a fair trial for him, in Karachi January 23, 2014. Musharraf is facing treason charges in a special court in Islamabad. The charges relate to his imposition of a state of emergency in 2007, when he was maneuvering to extend his rule in the face of growing opposition from the public and the judiciary. Pictured on the flag are Musharraf (L) and Pakistan's founder Muhammad Ali Jinnah. REUTERS/Athar Hussain (PAKISTAN - Tags: POLITICS CIVIL UNREST CRIME LAW)
Supporters of Pakistan's head of APML political party and former President Musharraf, chant slogans during a protest demanding a fair trial for him, in Karachi
Supporters of Pakistan's head of the All Pakistan Muslim League (APML) political party and former President Pervez Musharraf, chant slogans during a protest demanding a fair trial for him, in Karachi January 23, 2014. Musharraf is facing treason charges in a special court in Islamabad. The charges relate to his imposition of a state of emergency in 2007, when he was maneuvering to extend his rule in the face of growing opposition from the public and the judiciary. REUTERS/Athar Hussain (PAKISTAN - Tags: POLITICS CIVIL UNREST CRIME LAW)
A member of the bomb disposal team collects evidence at the site of a bomb blast on the outskirts of Peshawar
A member of the bomb disposal team collects evidence at the site of a bomb blast on the outskirts of Peshawar January 23, 2014. At least six people were killed and eight injured on Thursday when a bomb exploded in a vehicle at a car workshop in Peshawar, according to local media citing superintendent Rahim Shah. REUTERS/Khuram Parvez (PAKISTAN - Tags: POLITICS CIVIL UNREST CRIME LAW)
Security officials and members of a bomb disposal team collect evidence at the site of a bomb blast on the outskirts of Peshawar
Security officials and members of a bomb disposal team collect evidence at the site of a bomb blast on the outskirts of Peshawar January 23, 2014. At least six people were killed and eight injured on Thursday when a bomb exploded in a vehicle at a car workshop in Peshawar, according to local media citing superintendent Rahim Shah. REUTERS/Khuram Parvez (PAKISTAN - Tags: POLITICS CIVIL UNREST CRIME LAW)