Four victims at hospital ; two of them in critical condition . The attack happened on a busy street near the main train station and bus station. Shooter was killed by church `` security staff member , '' police say . Gunman fired on worshippers at Colorado Springs megachurch , minister says .
Four victims at hospital ; two of them in critical condition . Gunman and one victim dead . Shooter was killed by church `` security staff member , '' police say . Gunman fired on worshippers at Colorado Springs megachurch , minister says .