more now from abc's jason nathanson. >> did you attack the limo driver? did you attack the limo driver? >> reporter: 19-year-old justin bieber pushed his way through a crush of media and screaming fans turning himself in to toronto police on an assault charge. officials there saying it's all related to an alleged attack on a limo driver back in december. bieber's attorney claims his client is innocent. >> we're here to support him. we're his family. like you want to go with your family when they get arrested. you want to be with them supporting them when they get out of jail. >> reporter: bieber's legal day began in miami. his american attorneys there pleading not guilty to charges of driving under the influence. police say bieber repeatedly cursed at the arresting officer while admitting to drinking, smoking marijuana and taking prescription drugs. but there are other legal ramifications. the singer's not an american citizen, and a petition on the white house we the people website now has more than 100,000 signatures. calling for his deportation. on top

jason nathanson reports. little?ou move back a >> 1500 miles apart and all in for ay, a bit much even pop star. he pushed his way through screaming fans and media turning himself into toronto police on an assault charge all related to an alleged attack on a limit driver back in december. you want to go with your family when they get arrested. you want to support him when they get out of jail. >> pleading not guilty and driving under the influence in the drag race between a lamborghini and a for ari. drinking, smoking marijuana, and taking prescription drugs. he is set for arraignment but the law does not require him to be present. the singer is not an american citizen. a petition on the white house website has more than 100,000 signatures calling for his deportation. he is still under investigation for felony vandalism in los angeles over and negative thing -- over an egg tossing incident. attention lately for brushes with the law than his music. nathanson, los angeles. >> i bet you it sells magazines. that's the way

more from abc's jason nathanson. >> reporter: two run-ins in the country 1500 miles apart all in onerush of media and screaming fans turning himself into toronto police on an assault charge. officials there saying it's related to an alleged attack on a limo driver back in december. bieber's attorney claims his client is innocent. >> we are here to support him, we're his family, like, you want to go with your family when they get arrested. you want to be there for them supporting them when they get out of jail. >> reporter: bieber's legal day began in miami, his american attorneys there pleading not guilty to driving under the influence and resisting arrest last week in a drag race. bieber repeatedly cursed at the arresting officer while admitting to drinking, smoking marijuana and taking prescription drugs. bieber is set for arraignment on valentine's day, though florida law druoesn't require him to be present. but the singer is not an american citizen, in a petition on the white house we the people website now has more than 100,000 signatures calling for his deportation. on top of t