Eyewitnesses in Swansea Marina say the area is 'on lockdown' after an incident in Meridian Tower.
Avoid Swansea Marina and Tower. Firearms incident. Police blocking road.
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Organisers say there will be increased security at the Urdd National Eisteddfod, which began in Bridgend today.
Any remaining heavy or thundery showers will clear eastwards this evening.
Over 70 firefighters are currently tackling the fire, which is now confirmed to be at a scrap yard.