Yeah Birmingham had it too, lights flickered for about 20 seconds then the whole street went dead for maybe 3 minutes. My EVP recorder was running at the time and picked up this low frequency hum right before everything cut out, never heard that on a recording before and I do this a lot.
Mate the "weather balloon" explanation is doing absolutely no heavy lifting here, weather balloons don't cause localised power disruptions across an entire district. I've read enough abduction case files to know that electromagnetic interference preceding an aerial event is basically textbook at this point.
Anyone else notice their animals acting weird beforehand? My neighbours dog was going absolutely mental for like an hour before the outage. Would love to compare notes if other people have recordings or timestamps from last week.