New Delhi, June 29 -- Dozens of Iraqi political officials have been arrested on corruption charges, Iraq's state-run Iraqi News Agency reported Sunday.

It said the arrests were based on a statement made by former Deputy Minister of Oil Adnan al-Jumaili, who was arrested last month, and "included members of Parliament whose immunity had been lifted."

Iraqi security forces sealed off all entrances to the capital's heavily fortified Green Zone early Sunday and carried out raids inside the compound that houses key government institutions and foreign embassies.

The state news agency later reported that 47 people had been arrested in the corruption probe, but it was not clear if all of them were detained Sunday or if some of them had been ar...