Channel 5 does have a safety net to ensure sensitive or potentially prejudicial material does not make it on to the television sets of the British public, because the show is never broadcast absolutely live.
Programmes such as the "live" entries and evictions have a two- to three-minute delay, while the two-hour "live" feed from 7pm to 9pm each night on 5* has a delay of around 15 minutes.
The former detective, who has not been identified, is expected to enter the Big Brother house tomorrow.
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Finnish media say several people have been wounded in a stabbing in the city of Turku in western Finland.
Longer spells of rain across eastern Scotland with a weather warning in place until 6pm.
Julian Cadman, who is thought to have dual British-Australian nationality, became separated from his mother who was injured in the attack.