A suspected suicide attack at a rally of Benazir Bhutto's Pakistan People's Party (PPP) has left at least 15 people dead, police say.A PPP spokesman has told the BBC that Ms Bhutto was injured. It is not clear how badly. She had just addressed the rally in the town of Rawalpindi.
National and provincial assembly elections are due on 8 January.
In October some 130 people were killed in an attack on Ms Bhutto's cavalcade when she returned to the country.
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