The Director of the Civil Engineering Contractors Association, the body which represents firms working on infrastructure around the UK, says cuts to capital spending projects have a big knock-on effect for construction jobs and, ultimately, families.
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The launch coincides with the UEFA Champions League Finals, which will see tens of thousands of visitors to the city.
Shoppers who don't bring their own bag will need to buy a bag for life costing 8p or 10p.
The RNLI say 17 people lost their lives last year around the Welsh coast.