Owen Williams gave the Scarlets an early lead, but tries from Tommy Bowe and Robbie Diack combined with Ruan Pienaar's reliable boot have left Ulster 18-3 up at half time.
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A memorial service to mark the 20th anniversary of Srebrenica genocide is to be held at the Senedd later today.
The Caernarfon Search and Rescue helicopter service launch marks the final stage of a shift of services away from RAF Valley on Anglesey.
The Ashes clash between England and Australia begins in Cardiff this morning. The Test is expected to bring in £5m for the Welsh economy.