curb carbon emissions and help prevent cry mat change and global warming. world leaders agree it needs to be done. the question is exactly how and right now there are major disagreements between the developing countries and developed countries. now this conference got off to a rocky start yesterday when demonstrators clashed violently with police. it all started early in the morning, peacefully, when climate change activists had laid shoes at the place dehe will place de le republique. tear gas was fired, so were stun grenades. french police say the demonstrations, these clashes with police were not done by climate change activists but rather troublemakers and in the end more than 300 people were arrested, another several hundred are having, are detained and having their identities
checked. now in france, about 3,000 troops and police officers are being deployed to the copit 1 summit to keep the peace. it is scheduled to last another two weeks. todd, back to you. gabe, thank you very much. the university of chicago has canceled classes today following a threat to the campus. the decision was made after fbi counterterrorism officials alerted the school about an anonymous online threat of gun violence on the campus quad monday morning and a university spokesman said the threat was specific in terms of time and place. people are asked to stay away from the hyde park campus and students in campus housing should stay indoors. one student told the chicago tribune the quad is normally very busy monday mornings and plans to stay away from the quad for a few days because of the seriousness of the situation. the university of chicago medical center will remain open with added security. the fbi is investigating. the man accused of killing three people and injuring