becky anderson is in the thick of things. our from richard quest that police have run the protesters out. are you seeing the same thing there? what's happening in the square below you now? >> reporter: as richard said last hour it's ebbing and flowing. you see protesters being corralled either into the square or down the side street. things become much calmer. all of the sudden, 20, 25 minutes later things get hectic. it's been a day of real drama here at constitution square in athens as the parliamentarians meet in the greek government building to my right. they have been voting on one of the most austere measures attempted since the second worl war. you see battles between police and protesters. it has to be said again there are 200, 300 what would be described as anarchists creating trouble for the police. there are thousands of police in and around the square. they say they don't want the anarchists here. they are protesting what happens next to greece. they are so angry that greece has broken the rules, about so much hidd

becky anderson was caught in the middle of the rock bottle throwing and round after round of tear gaseporter: here's the parliament building just there. this is been an hour after the vote. it was extremely violent for a period of time. go a little bit further down there. this is just off the main square. somebody's been injured down here. they are trying to help this guy out. he was hurt in one of the attacks. >> and this is not only for greece. this will happen in other countries, too. this is just the beginning. this is an experiment. >> reporter: and what about the vote today? >> nobody wants it. nobody. it's based on selling away our country. >> reporter: this is called a suicide vote. earlier on by the bank of greece, he said if we don't pass this, the country's gone. so it's understandable that people are very, very angry. you can see the tear gas now. it's in my eyes as well. there you go. there's some rock throwing. what you're seeing is these guys lobbing bricks, pretty much anything they can get their hands on. stuff like that. just pieces of concrete. they're also moving t

cnn's becky anderson is in athens. >> reporter: there may have been relief in the greek parliament today measures were passed today, but on the streets here in athens, nothing but rage. the violence ebed and flowed. we got in amongst protesters, just after the vote, and it was really quite a frightening experience. there were thousands of protesters outside here, constitution square, outside parliament buildings. many of whom were here, protesting peacefully. must be two or three hundred that were making it very difficult for the police. there were thousands of them. they were throwing rocks, chairs, tables, anything they could get their hands on. in return, the riot police were using tear gas and stun guns to keep the protesters at bay every so often. the violence would start again, the police would try and move protesters away, down the side streets, trying to get them away from the main square. it was really an extremely physical and violent situation. now after midnight here in athens, things have quieted down a lot. we've got the police still in a standoff behind me with protesters,

becky anderson, cnn, london. >> this sunday at 8:00 p.m., join cnn's freedom project and demi moore forf nepal's stolen children. the story of thousands of girls sold for sex and the amazing group that rescues them. we'll be right back. my doctor told me calcium is best absorbed in small continuous amounts. only one calcium supplement does that in one daily dose. new citracal slow release... continuously releases calcium plus d for the efficient absorption my body needs. citracal. a body at rest tends to stay at rest... while a body in motion tends to stay in motion. staying active can actually ease arthritis symptoms. but if you have arthritis, staying active can be difficult. prescription celebrex can help relieve arthritis pain so your body can stay in motion. because just one 200mg celebrex a day can provide 24 hour relief for many with arthritis pain and inflammation. plus, in clinical studies, celebrex is proven to improve daily physical function so moving is easier. and celebrex is not a narcotic. when it comes to relieving your arthritis pain, you and your doctor need to balance