Major General Mahdi al-Gharrawi, a commander of Interior Ministry forces, said security measures ordered by Prime Minister Nuri al-Maliki will come into force early on June 14.
Reports say that at least 40,000 Iraqi and international troops in Baghdad will be involved in the operations.
Al-Maliki has said that the measures will include securing roads to Baghdad, banning civilians from carrying weapons, and a nighttime curfew.
(AP, CNN)