NSPCC chief executive Peter Wanless says its new Talk PANTS campaign aims to give children the confidence to report abuse to a trusted adult.
He told Daybreak that many media stories about abuse were "the consequence of children feeling uncertain or unsure" about whether something had happened.
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The Commons earlier overturned amendments made to the European Union (Withdrawal Agreement) Bill by defiant peers.
The US Treasury Secretary has also highlighted the prospect of retaliatory trade tariffs if the UK presses ahead with the planned levy.
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