Paramilitary soldiers guard the site where a passenger train derailed after a blast in Pakistan's southern Kashmore district
Paramilitary soldiers guard the site where a passenger train derailed after a blast in Pakistan's southern Kashmore district February 16, 2014. At least five passengers, including four children, were killed after a bomb derailed the moving train, according to the police. The train was on its way to the northwestern city of Peshawar from the southern port city of Karachi. REUTERS/Naseer Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST TRANSPORT DISASTER)
Labourers repair the railway track at the site where a blast derailed a passenger train as paramilitary soldiers stand guard in Pakistan's southern Kashmore district
Labourers repair the railway track at the site where a blast derailed a passenger train as paramilitary soldiers stand guard in Pakistan's southern Kashmore district February 16, 2014. At least five passengers, including four children, were killed after a bomb derailed the moving train, according to the police. The train was on its way to the northwestern city of Peshawar from the southern port city of Karachi. REUTERS/Faheem Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST TRANSPORT DISASTER)
Paramilitary soldiers inspect the railway track at the site where a blast derailed a passenger train in Pakistan's southern Kashmore district
Paramilitary soldiers inspect the railway track at the site where a blast derailed a passenger train in Pakistan's southern Kashmore district February 16, 2014. At least five passengers, including four children, were killed after a bomb derailed the moving train, according to the police. The train was on its way to the northwestern city of Peshawar from the southern port city of Karachi. REUTERS/Abid Rehman (PAKISTAN - Tags: POLITICS CIVIL UNREST TRANSPORT DISASTER)
People gather at the site where a passenger train derailed after a blast in Pakistan's southern Kashmore district
People gather at the site where a passenger train derailed after a blast in Pakistan's southern Kashmore district February 16, 2014. At least five passengers, including four children, were killed after a bomb derailed the moving train, according to the police. The train was on its way to the northwestern city of Peshawar from the southern port city of Karachi. REUTERS/Abid Rehman (PAKISTAN - Tags: POLITICS CIVIL UNREST TRANSPORT DISASTER TPX IMAGES OF THE DAY)
People gather at the site where a passenger train derailed after a blast in Pakistan's southern Kashmore district
People gather at the site where a passenger train derailed after a blast in Pakistan's southern Kashmore district February 16, 2014. At least five passengers, including four children, were killed after a bomb derailed the moving train, according to the police. The train was on its way to the northwestern city of Peshawar from the southern port city of Karachi. REUTERS/Abid Rehman (PAKISTAN - Tags: POLITICS CIVIL UNREST TRANSPORT DISASTER)
Supporters of former President Musharraf chant slogans during a protest demanding a fair trial for him in Karachi
Supporters of former President Pervez Musharraf, head of the All Pakistan Muslim League (APML) political party, chant slogans during a protest demanding a fair trial for him in Karachi February 16, 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 manoeuvring to extend his rule in the face of growing opposition from the public and the judiciary. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Supporters of former President Musharraf chant slogans during a protest demanding a fair trial for him in Karachi
Supporters of former President Pervez Musharraf, head of the All Pakistan Muslim League (APML) political party, chant slogans during a protest demanding a fair trial for him in Karachi February 16, 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 manoeuvring to extend his rule in the face of growing opposition from the public and the judiciary. The poster (L) reads in Urdu: "Musharraf, we are with you". REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Members of a Hazara community hold pictures of blast victims as they light candles for peace against sectarian attacks in Quetta
Members of a Hazara community hold pictures of blast victims as they light candles for peace against sectarian attacks in Quetta February 15, 2014. REUTERS/Naseer Ahmed (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Members of a Hazara community light candles for peace against sectarian attacks in Quetta
Members of a Hazara community light candles for peace against sectarian attacks in Quetta February 15, 2014. REUTERS/Naseer Ahmed (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Members of a Hazara community light candles for peace against sectarian attacks in Quetta
Members of a Hazara community light candles for peace against sectarian attacks in Quetta February 15, 2014. REUTERS/Naseer Ahmed (PAKISTAN - Tags: POLITICS CIVIL UNREST)