Mick Philpott tells the jury he didn't tell police that his friend Paul Mosley had had sexual relations with his wife Mairead because he was "ashamed".
He also told the court he felt it had no relevance to what had happened to his children on the night of the fire.
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Ronald DeShields made a number of calls to emergency services with false stories - including that police officers had been shot.
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Attaporn Boonmakchuay is recovering in hospital after being bitten by the 10ft snake.