Iraqi forces clash with Islamic State militants in Tikrit

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Iraqi security forces prepare to attack Islamic State extremists at Camp Speicher, the front line in Tikrit, 80 miles (130 kilometers) north of Baghdad, Iraq, Thursday, March 12, 2015. Rockets and mortars echoed across Saddam Hussein’s hometown of Tikrit on Thursday as Iraqi security forces clashed with Islamic State militants a day after sweeping into the Sunni city north of Baghdad. (AP Photo/Khalid Mohammed)

Rockets and mortars echoed across Saddam Hussein’s hometown of Tikrit on Thursday as Iraqi security forces clashed with Islamic State militants a day after sweeping into the Sunni city north of Baghdad.

Recapturing Tikrit is seen as a key step toward rolling back the extremist group, which seized much of northern and western Iraq last summer and controls about a third of Iraq and Syria.

Iraqi troops and allied Shiite militiamen entered Tikrit for the first time Wednesday from the north and south. The head of the military operation told The Associated Press on Thursday that troops would launch phase two of the offensive later in the day as they try to reach the city center. The militants were trying to repel security forces with snipers, suicide car bombs, heavy machine guns and mortars, he said, speaking anonymously as he was not authorized to brief the media.

Tikrit, the capital of Salahuddin province, sits on the Tigris River about 80 miles north of Baghdad. Several of Saddam’s palaces remain there, and supporters of the deceased dictator are believed to have played a key role in the Islamic State group’s seizure of the city last year.

In an interview with The Associated Press on the front line, Iraqi Defense Minister Khaled al-Obeidi said he expected security forces to reach the center of Tikrit within three to four days. The operation to retake Tikrit is “essential to opening a corridor for security forces to move from the south to Mosul,” he said, referring to Iraq’s second-largest city and the militants’ biggest stronghold.

He described the operation as “100 percent Iraqi, from the air and ground.”

Iraqi officials now say that at least 30,000 men — including the military, militias, Sunni tribes, and police — are fighting to capture Tikrit. Dempsey said Wednesday that at least 20,000 militiamen are taking part.

On Thursday, militiamen were heard intercepting walkie-talkie signals, listening to the militants’ call for reinforcements and ordering mortar fire on the soldiers as they closed in. Along the route between Salahuddin’s command center and the battlefield, the charred remains of tankers and cars used by suicide bombers litter the roads, and homes bear the signs of months of war, damaged by bombs and bullets.

Military officials told the Associated Press that they are advancing with caution in an effort to limit damage to the city’s infrastructure, so that residents can return quickly once Tikrit is retaken. A satellite image of Tikrit, released last month by the United Nations, observed that at least 536 buildings in Tikrit have been affected by fighting, with at least 137 completely destroyed and 241 severely damaged.

Earlier Thursday, Defense Minister al-Obeidi visited troops and met with senior military commanders of the Tikrit operation as well as Iranian Maj. Gen. Qassem Soleimani, commander of the Quds Force, an elite unit of Iran’s Revolutionary Guard. Soleimani and other Iranian advisers have played a key role in pushing the militants back in recent months.

The overt Iranian role and the prominence of Shiite militias in the campaign have raised fears of possible sectarian cleansing should Tikrit, an overwhelmingly Sunni city, fall to the government troops.

The U.S. has said its allied coalition carrying out airstrikes targeting the extremists has not been involved in the ongoing Tikrit offensive.

Iraq’s Prime Minister Haider al-Abadi has appealed for more aid for his country’s beleaguered ground forces, although the U.S. spent billions of dollars training and equipping Iraq’s army during its eight-year occupation.

Report compiled with information from Associated Press.