ISIS raises flag over local government HQ in Iraq's Ramadi

Islamic State of Iraq and Syria militants raised their black flag over the local government headquarters in the Iraqi city of Ramadi on Friday and claimed victory through mosque loudspeakers after overrunning most of the western provincial capital.

If Ramadi were to fall it would be the first major city seized by the insurgents in Iraq since security forces and paramilitary groups began pushing them back last year.

The ISIS insurgents attacked Ramadi overnight using six suicide car bombs to reach the city centre, where the Anbar provincial government compound is located, police sources said.

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Fighting continued in one district of Ramadi, 100 km west of Baghdad, and government forces were still in control of a military command centre to the west of the city.

"The situation in Ramadi is dire, but the city has not fallen and the battle against criminal Daesh is still ongoing," Anbar governor Sohaib al-Rawi said on Twitter, using an Arabic name for ISIS.

Prime Minister Haider al-Abadi met with military and security leaders on Friday as well as the heads of the air force and counter-terrorism and pledged to intensify efforts to "expel the terrorist gangs from Ramadi".

Biden pledges more help

He later spoke about the Ramadi attacks with U.S. Vice-President Joe Biden, who pledged expedited U.S. aid to Iraqi forces including heavy weaponry, AT-4 shoulder-held rockets, ammunition and other supplies, the White House said.

Ramadi has been fought over for months, but the insurgents renewed their offensive there in April, crushing government forces' efforts to retake Anbar, Iraq's largest province, and move north to the ISIS stronghold of Mosul.

An army major whose regiment is positioned near the Anbar operations command described the situation as critical and said the militants had taken control of the only major supply route into the city, making it difficult to send reinforcements.

'We have been defending the city for months and we don't deserve to end like this.- Iraqi army major

Most army and police units have retreated to the area around the operation command to protect it, he said, but some elite counter-terrorism forces were "fighting for their lives" in the Malaab district of central Ramadi, where they were surrounded.

"If the government does not send any reinforcements and the coalition air force does not rescue us, we will lose all of Ramadi by midnight," the major said.

"A massacre will take place and all of us will be slaughtered. We have been defending the city for months and we don't deserve to end like this. It's humiliating."

Still, the U.S. military sought to play down ISIS gains, telling a Pentagon news conference the militants were broadly "on the defensive" in Iraq.

Marine Corps Brigadier General Thomas Weidley, chief of staff for U.S.-led coalition operations, said Iraqi forces still controlled most "key facilities, infrastructure and lines of communication" in the Ramadi area.

"(Iraqi forces) will eventually take back the terrain," Weidley said via teleconference.

Baghdadi speech

Ramadi is one of the few towns and cities to have remained under government control in the vast desert province, which borders Saudi Arabia, Syria and Jordan.

More than 130,000 people have fled Anbar since the militants renewed their offensive on Ramadi last month, according to the International Organization for Migration. People who had stayed were trying to leave on Friday, but found themselves trapped.

Fifty-seven-year-old shop owner Abu Raad told Reuters he had seen uniforms and weapons discarded by the security forces in the streets. "We are currently being patient and hope that God will save us from this ordeal. We have nowhere else to go."

In an audio recording issued by ISIS on Thursday purporting to come from its leader Abu Bakr al-Baghdadi, the self-proclaimed caliph urged displaced residents of Anbar to return to their homes in the Sunni heartland: "For you are our people. We defend you, your honour, and your wealth."

Baghdadi also hailed the ISIS fighters who had "snatched Anbar from the eyes of the apostates and the throats of the Rafeda, in spite of America and its allies," using a derogatory term for Shia Muslims and referring to U.S.-led coalition air strikes.

Friday's offensive began with the militants using an armoured bulldozer to remove blast walls blocking the road to the police department next to the governorate building and blew the vehicle up when it reached there.

A Humvee packed with explosives targeted the education department in the same compound and a third car bomb was detonated at the western entrance to the governorate building itself. Three more car bombs blew up near the Anbar Operations Command.