Three black holes appear to be feeding inside a single galaxy seen 1.2 billion years after the Big Bang, and the two nearest its centre are close enough to spiral together within roughly 700 million years — though the paper reporting them calls it evidence, not - Space Daily

Three black holes appear to be feeding inside a single galaxy seen 1.2 billion years after the Big Bang, and the two nearest its centre are close enough to spiral together within roughly 700 million years — though the paper reporting them calls it evidence, not Space Daily3 supermassive black holes found in one galaxy; largest is 80 mn times the Sun's mass | The galaxy is J0148-4214 | Inshorts InshortsScientists find 3 supermassive black holes on the verge of collision inside a distant galaxy SpaceThese black holes are about to merge — we've never seen anything like it The Weather ChannelNew Detection Reveals a Galaxy With Three Cores extremetech.com