mike mcgwire was charged with trespassing. >> politically, hopefully it's a threat. we're keeping this agenda in the public radar. >> we want to protect their right to express their views. it remains to be seen if tensions will boil over again or if relations with police will be peaceful like last month. those arrested and charged on monday night are now all free. reporting from east baltimore for wjz eyewitness news. >> one person was arrested during a demonstration against corporate greed at the u.s. capital. >>> wearing headphones while walking. it is proving to be dangerous and deadly. a new study by a maryland doctor says the number of people injured has tripled in recent years. >> reporter: since 2004, 116 people have been injured while walking and wearing headphones. annana marie, just 15 years old when she was hit by a train and killed. the middle river teen never heard the train coming because she was wearing her headphones. it was her death in 2010 that prompted dr. richard litchinstein. >> this may be the next thing people need to be aware of. >> reporter:

mike mcgwire was charged with trespassing. >> politically, hopefully it's a threat. politically, hopefully we're keeping this agenda in the public's radar. >> we want everything to be calm. we want to protect their rights to express their views. and that's what we expect to do. >> reporter: it remains to be seen whether tensions will boil over again. or whether relations with police will be peaceful, as they were in the raid last month, where there were no arrests. >> reporter: okay, you're looking live here on forest street near monument. you can see, there are a lot of police officers here. it's increasing here tonight. we should note that all of those people who were arrested and charged last night are now free. reporting live in east baltimore, mike hellgren, wjz eyewitness news. >> okay, mike. thank you. >>> occupy protestors also clash with washington, d.c. >>> baltimore's mayor is a victim of crime. police say someone broke into mayor stephanie rawlings- blake's infinity earlier this month. the suspect opened her car door, but did not take anything. the mayor'

mike mcgwire was charged with trespassing. >> we're still trying to find our ground. because we had established ourselves in mceldon. >> reporter: many had been living in mceldon square for 10 weeks. >> we want everything to be calm. we want to protect their rights to express their views. and that's what we want to do. >> reporter: it remains to be seen whether tensions will boil over again. police tell wjz they'll be there as long as they need to be. and that leaves open the possibility for more arrests. >> reporter: there were no injuries during the events last night. those arrested and charged are now out of jail. live in least baltimore, mike hellgren, wjz eyewitness news. >> occupy protestors also clashed with police in washington, d.c., where at least one person is arrested and charged with assaulting an officer. it is part of a demonstration against corporate greed at the u.s. capital. the occupy movement remains strong in washington, d.c. because the national park service is allowing protestors to remain in their encampment. >> reporter: updating the breaking