Transcript for Unrest in Egypt Could Harm American Interests in Middle East
And now we head overseas to egypt, the country that seems to be spiraling closer to the edge of a kind of political chaos. The stability of egypt is vital to the united states. But these images are sending a message to the world tonight that the new egyptian president may be losing some control. Abc's lama hasan is there. Lama? Reporter: Diane, this latest wave of violence is tearing up the country -- a country that, tonight, looks like it's on the brink of civil war. A troubling turn for egypt and america. Running battles. A violent barrage of rocks and tear gas. Roads engulfed. Clashes with police. Last night, rioters smashing into this luxury five-star intercontinental hotel. Tonight, the hotel tweeting out they are once again surrounded. The anger is all too familiar. But this is different and very frighten frightening. Egypt, the most populous arab country, is america's number one ally in the region. With its long-standing peace treaty with israel, egypt helps america with stability in a dangerous region and in the fight against terror. Now, with these scenes, the head of the army is warning america's friend is on the verge of collapse. They tell us their new president mohamed morsi is acting like a dictator, like the one every day egyptians overthrew, just two years ago. These are carpenters, tour guides and teachers and they believe if they don't rise up, their country will be turned into an islamic state. We are bracing for another violent night. Many of the people we've spoken to here on the street say they won't let up until they get the freedoms and democracy they fought so hard for.
This transcript has been automatically generated and may not be 100% accurate.