manuel gallegos has more. >> reporter: protesters clash with police on wall street this morning. the nypd struggled to keep the streets clear, arresting some of the demonstrators. some in custody accused the police of using excessive force. many occupy wall street demonstrators spent the night scrubbing the park. the owners had planned to move the protesters out to power wash early this morning, but suddenly postponed the cleaning. >> i guess because we cleaned it good enough i don't they got the owners of the park to say it is okay. >> reporter: demonstrators are vowing to stay here indefinitely. they want jobs, and an end to what they call corporate greed. but some, on wall street, say the demonstrators are trying to change the system that has been around a long time. >> we are not going to change it overnight. >> reporter: demonstrations around the country show no signs of stopping. in denver this morning, police in riot gear cleared protesters at the state capital. several arrests were made. in seattle last night, protesters refused to leave a park after closing. police made