Time: 29th July 2020 at approx 10:30pm. Location: London, UK Apologise for the low quality video, this is 1 of 4 clips I shot with my mobile at the time. This object was sighted outside my bedroom window flying above a school building. It would have two 'modes'; one is when the object would appear as an intense bright white light flashing in pulses and moving erratically in the air, and it would also stop flashing and I could make out a 'ball' with a faint green glow around it and it would fl...