Official figures published in the last half an hour show unemployment fell by 45,000 between January and March to 2.63 million.
The number of people claiming jobseeker's allowance last month fell by 13,700 to 1.59 million, according to the Office for National Statistics.
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The three-day event in the Welsh capital is expected to attract more than 20,000 visitors.
Steve Ashton's picture of a jacket potato and corned beef served to his 81-year-old mother has been shared 130,000 times on Facebook.
The Welsh Conservatives pledged 'continued economic recovery' as they launched their manifesto in Builth Wells this afternoon.