"I think there are problems, and I think they've come about through rather inadvertent policies" says David Davies MP, who chairs the Welsh Affairs select committee.
"I think local authorities have quite rightly said we need to have people with a local connection before we allocate social housing.
"But those rules have had the unintended consequence of affecting members of the armed forces who may have been born and brought up in an area, but spent the last ten years serving their country".
"A lot of a local authorities have signed up to the armed forces covenant, which means people working within those authorities are aware of those issues".
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A group of ex-servicemen have become the first people to climb Pen y Fan in the Brecon Beacons for 24 hours non-stop.
Thousands of athletes are in Tenby for the competition which consists of a two mile swim, a 112 mile cycle ride and a marathon.