The transport secretary says a faster Cardiff to Swansea journey will be achieved without "engineering works".
The teenager took her own life in 2012 and her mother is denied full access to a report into her death.
MP Tonia Antoniazzi says investor funding for the project is currently only available until Christmas.
Welshman Stuart Manley exceeds his own expectations with an opening round of 68 at The Open in Royal Birkdale.
Welshman Stuart Manley takes the clubhouse lead at The Open on two under par with an eagle-birdie finish in his first ever major championship appearance.
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