According to this Times Online report:
… Zilla Huma Usman, the minister for social welfare in Punjab province and an ally of President Pervez Musharraf, was killed as she was about to deliver a speech to dozens of party activists, by a”fanatic”, who believed that she was dressed inappropriately and that women should not be involved in politics, officials said.
Mrs Usman, 35, was wearing the shalwar kameez worn by many professional women in Pakistan, but did not cover her head.
The attack happened in Gujranwala, 120 miles southeast of Islamabad, where the minister’s office is based. As Ms Usman, 35, stepped out of her car â€“ where she was greeted by her co-workers throwing rose petals – the attacker pulled out a pistol and fired a single shot at close range, hitting her in the head. She was airlifted to hospital in the provincial capital Lahore, but died soon afterwards.
The gunman, Mohammad Sarwar, was overpowered by the minister’s driver and arrested by police. A stone mason in his mid 40s, he is not thought to belong to any radical group but is known for his fanaticism. He was previously held in 2002 in connection with the killing and mutilation of four prostitutes, but was never convicted due to lack of evidence. …
Full story here.