By James Rush A Pakistani mob killed a woman and two of her granddaughters after a member of the religious minority group she belonged to was accused of posting blasphemous material on Facebook, police have said. Rioting erupted in the city of Gujranwala late last night following claims that a member of the Ahmadi community had posted a blasphemous photo on to the social networking site. The dead, including a seven-year-old girl and her baby sister, were Ahmadis, who consider themselves Muslim but believe in a prophet after Mohammed. Scroll down for video Police arrive after the houses of a religious minority group  were torched by a mob following accusations of blasphemy, in Gujranwala, Pakistan
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Rioting erupted in city of Gujranwala following 'blasphemy' claims, police say
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The dead, including a seven-year-old girl and her baby sister, were Ahmadis, who consider themselves Muslim but believe in a prophet after Mohammed
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The youth accused of making the blasphemous post on Facebook was not injured, police have said
The @placeholder differ from mainstream Islam in that they do not believe Muhammad is the final prophet.