On Friday August 4th, hundreds of thousands of Shiites chanting "Death to Israel" and "Death to America" marched through the streets of Baghdad's Sadr City to show support for Hezbollah and denounce Israel's destruction of Lebanon. Shiites from all over Iraq travelled to Baghdad in answer to Muqtada al-Sadr's call for a "million man march" in support of Lebanon's Hezbollah.
U.S. Troops Kill 2 Iraqis Going To Anti_Israel Protest | Spike in Attacks on US Troops out of Anger over Israel

On Monday July 31st, Iraq's vice president on Monday accused Israel of carrying out "massacres" in Lebanon, the strongest criticism yet of the Israel by a top official of the U.S-backed Iraqi government. Iraq's top Shi'ite cleric, Grand Ayatollah Ali al-Sistani, has warned that the Muslim world will not forgive countries which stand in the way of a ceasefire between Israel and Hizbollah guerrillas in Lebanon. "The Islamic world and peace loving people will not excuse sides which hinder a ceasefire. It will have harmful consequences in the whole region," he said in a statement issued late on Sunday.
Juan Cole writes that Sistani is extremely anxious that the Lebanon war will send Shiite Iraq spinning out of control and lead to a major confrontation between Iraqi Shiites and the US and British troops
Sistani Threatens US over Israeli War on Lebanon | Sistani's Statement On the US and the Palestinians

On July 16th, Shi'ites, Sunnis and Kurds in Iraq's U.S.-backed parliament stood united in their condemnation of Israel's destruction of Lebanon. President of the Iraqi National Assembly Mahmoud al-Mashhadani spoke out against the US at a UN-sponsored conference on transitional justice and reconciliation in Baghdad on July 22nd. In addition to denouncing US backed attacks on Lebanon he states "Just get your hands off Iraq and the Iraqi people and Muslim countries, and everything will be all right,...What has been done in Iraq is a kind of butchery of the Iraqi people." Iraqi Shiite cleric Muqtada al-Sadr is urging Sunnis and Shiites to unite so that Muslims can defeat Israel.

Prime Minister Nouri al-Maliki visited the US on July 26th and addressed Congress. Sadr as well as the Fadhila party, which is part of al-Maliki's Shiite alliance, had urged him to cancel his visit in protest over US support for the attacks on Lebanon. “Fadhila demands that the prime minister cancel his visit to the U.S. in solidarity with the Lebanese people and over what is going on there, the disasters due to the Zionist aggression amid international silence about these crimes,” party official Sheik Sabah al-Saiedi told The Associated Press.

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Turkey is explicitly citing Israel's unrestrained move into Lebanon as a precedent to move into Kurdistan. Turkey's Hezbollah is the Kurdish Workers Party (PPK) and Turkish forces have had running gun battles with their long-time foe in recent weeks.