More than 60% of adults surveyed in South Wales during the school summer holidays are concerned children may become knife crime victims, reveals new research for Barnardo’s.   A YouGov poll of more than 100 adults in Newport reveals that 62% per cent of adults surveyed are worried children aged 10-18 may become victims of knife crime.   Similarly, 63% per cent of respondents surveyed believe children feel unsafe in their local area because of knife crime.   Almost…