"at Least four policemen and several other people were injured in a shootout at a business in the city of Aurora just west of Chicago, reports the u.s. media."
"According to witness testimony to ABC 7 Chicago, it was an employee of the company, which started shooting inside the building. A witness states that he saw a man with a weapon and laser sight. The person is now arrested, announces the Aurora through the city's twitter account."
"Several people have been hospitalized, but there is no information on their condition. The four police officers reportedly did not have life-threatening injuries."