TEHRAN, Iran (CNN)  -- The Arab world is among the worldwide audience that has been closely watching as events in Iran have unfolded over the past week. Protesters fight running battles with motorcycle-mounted militia members Saturday in Tehran. "In all honesty, I am amazed by these Iranians," Egyptian human rights activist and blogger Walid Abbas posted on his Twitter page. "I have no green t-shirt" Abbas tweeted Saturday. He was referring to the color worn by many supporters of opposition candidate Mir Hossein Moussavi, whose supposed failure to win last week's election sparked the wave of unrest that has gripped the nation.
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Arab world has closely watched as events in Iran have unfolded over past week
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Relations between Iran and Arab states have always been tense
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Egypt, Morocco accuse Iran of trying to spread Shiite faith among its Sunni population
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Some Arab states look to Iran as a regional superpower that can support them
"We are not with @placeholder," Abbas tweeted, "We are with the Iranian people and their demands."