Sindh Interior Minister Manzoor Wassan said Monday the former president would be arrested and later sent to a jail in Karachi once he arrives in the country, Pakistani news agency Dawn reports.
Prosecutors during the weekend said they wanted to arrest Musharraf on charges he didn't do enough to protect former Prime Minister Benazir Bhutto when she returned from exile.
Two police officers were charged by a court in Rawalpindi of negligence for failing to provide accurate security for Bhutto in November. Five suspected members of the Taliban were charged with conspiracy in her death.
Bhutto was assassinated Dec. 27, 2007, following a campaign rally for her Pakistan People's Party. She had returned to Pakistan from exile to run in January 2008 parliamentary elections.
A U.N. report on the assassination implicates the government of Musharraf, claiming Pakistani officials at the time "failed profoundly" to protect her.
Musharraf said from Dubai during the weekend he planned to return from exile to Pakistani political life at the end of the month. He told CNN International he recognized the risks.
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