Twitter user @jdivenere tweeted this picture of an armed man at the Discovery Center, as taken by a colleague being held hostage inside the building. It's unclear whether this is of the gunman or a plainclothes policeman. Story unfolding...
Twitter user @jdivenere tweeted this picture of an armed man at the Discovery Center, as taken by a colleague being held hostage inside the building. It's unclear whether this is of the gunman or a plainclothes policeman. Story unfolding...