Bombing of Coruscant's central power distribution grid/Legends

This Bombing on Coruscant occured when General Grievous deployed Demolition droids on Coruscant to take out the power Generators.

The Demolition Droids took out the Republic Technicians and planted themselves on the Wall and Just when Padme Amidala had her vote going well to stop The war, the Droids exploded and all the lights went off in the Senate and the Senators went in uproar and eventually Padme lost her vote.