According to the FIR registered by police, the girl from Rahim Yar Khan district, 400 km from Lahore, had gone to the home of her friend on July 19 to learn how to stitch clothes. Muhammad Imtiaz, the brother of her friend, tried to rape her.
When the girl put up a resistance, Imtiaz allegedly doused her with petrol, set her on fire and fled.
The girl was taken to Shaikh Zayed Hospital, where doctors declared her condition critical as she had 80 per cent burns. The girl succumbed to her injuries yesterday, police said.
The accused is still at large, police said.