A parent who volunteered to be part of ITV Daybreak's investigation into what children would do if approached by a stranger said the results were a "rude awakening".
Natasha said she had not slept for two weeks since the experiment and has been much more vigilant.
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A wet, wintry night in places with rain and hill snow slow to move away from southern Scotland and northern England.
The Westminster terror attack dominates the front pages of Thursday's newspapers.
A timeline of exactly what happened.