Another part of a partially collapsed bridge in the German city of Dresden came down early on Friday during controlled demolition work, and the whole affected section will now be removed, officials at the scene said. Engineers began demolishing the damaged section on Thursday evening to prevent further danger and prepare for forecast flooding. The latest collapsed section involved tram tracks. The whole of that bridge section will now be taken away. The part of the bridge used by cars remains standing. Some 100 metres of the bridge suddenly fell into the Elbe River early on Wednesday in an acc…