The owner of the Pumphouse Pub in the Maritime Quarter told ITV News that armed police are on the scene blocking entry to the marina.
There's a police helicopter and armed police outside blocking the road. We haven't been asked to close the pub, but there are police and dogs on leads outside and nearby. The marina is also blocked off and no boats are allowed in or out.
The Grape and Olive restaurant at the top of the Meridan Tower has tweeted to say it's closed due to an incident.
Restaurant closed due to incident all bookings cancelled sorry for any inconvenience
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.
South Wales Police says it is dealing with an 'incident' at Meridan Tower in Swansea Marina. Trawler Road in the marina has been cordoned off and the police helicopter is in attendance.
A man accidentally set a house on fire - while trying to kill a spider.
Firefighters were called to an address in Bridgend, South Wales, and saw smoke billowing from a rear window.
But they were gobsmacked to discover that the fire started when a man sprayed a spider with an aerosol before setting it alight.
A spokesman for Mid West and Wales Fire (MWF) Service said: "We attended at an incident at Kenfig Hill at 11.57am today.
"Crews extinguished a small fire at the rear of the property, which was caused when the occupant tried to remove a spider after initially spraying it with an aerosol and then setting it alight.The flames then spread to the rest of the room."
The fire service urged members of the public to avoid using aerosols inappropriately - and added that there were "more conventional ways" to get rid of spiders and insects.
The house where schoolgirl April Jones was believed to be murdered is set to be razed to the ground.
The Welsh Government has bought the detached cottage in Ceinws, near Machynlleth, mid Wales, where child killer Mark Bridger took the five-year-old.
Since the 2012 killing, the property has served as a grim reminder of the tragedy - with April's parents Coral and Paul leading the calls for its demolition.
A Welsh Government spokesman said officials would now "work with the local authority, the Jones family and the local community for the most appropriate future for the site - following demolition of the the property".
In a statement on Facebook, April's parents said the news was a "huge weight off our minds".
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South Wales Police has apologised and referred itself to the Independent Police Complaints Commission (IPCC) after an "unacceptable" delay in the investigation of child abuse claims against former House of Commons Speaker Lord Tonypandy.
South Wales Police Assistant Chief Constable Nikki Holland said: “We were made aware of these allegations in April 2013 and have attempted to get in touch with the [alleged victim].
“Unfortunately incorrect contact information was used and as a result we failed to make contact with him. We have since spoken to [the alleged victim], apologised for the delay and are investigating his claims.
"It is important that victims have the confidence to come forward and speak to us. We take any allegations regarding sexual assault or rape extremely seriously and urge anyone who has been a victim of this type of crime to make contact with us.”
South Wales Police are investigating allegations that former leading Welsh politician, George Thomas, later Lord Tonypandy, reportedly abused a nine-year-old boy.
The Independent Police Complaints Commission has confirmed to ITV Wales that it has received a self referral from South Wales Police asking for it to look into the handling of an allegation of reported child abuse by former Welsh Secretary George Thomas.