The event will be hosted by Welsh Secretary, David Jones and will feature young people sharing their own experiences of seeking employment.
Businesses including major Welsh employer, Airbus, will be asked to sign a pledge to raise awareness to help support young people into work.
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Father-of-three Nick Bickerstaff, from Denbighshire, was waiting for daughter Ellen and her friend in the foyer at the end of the concert.
ITV News has obtained exclusive footage of the moment armed police raided a house believed to be linked to the Manchester suicide bomber.
The suspected Manchester Arena bomber has been identified as 22-year-old Salman Abedi by Greater Manchester Police.