Southern Television was the first known victim of television hijacking. On the 26th of November 1977 at around 5:10 pm, an "alien" managed to interrupt the broadcast of the local ITV station Southern Television via the Hannington transmitter. https://en.wikipedia.org/wiki/Southern_Television_broadcast_interruption
The voice overrode the UHF audio signal of the early-evening news being read by the late Ivor Mills from ITN.
A speaker interrupted transmissions for six minutes and claimed to be a r
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