Engineers in Germany’s Dresden are demolishing the damaged section of a key bridge on Thursday evening to avert further danger and ahead of forecasted flooding, a day after a section of the bridge collapsed into the river below. Excavators and demolition vehicles from a specialist company are in operation, fire brigade spokesman Michael Klahre said, as they prepare to partially demolish Bridge Section C, which collapsed into the river below in a night time accident. “The first priority is the sagging area,” said Klahre, noting laser technology showed remnants of that section of the bridge were…