Murdered girl's father 'has no words'
The rape and murder of six-year-old Zainab sparked outrage in Pakistan
Protesters have set a government office on fire in the Pakistani city of Kasur, in a second day of riots after the rape and murder of a six-year-old girl.
Zainab Ansari's body was found in a rubbish dump on Tuesday, several days after she went missing. She had been raped and strangled.
Describing his grief, her father told the BBC: "It's like the world has ended...