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
More top news
It will be mainly dry with sunny spells, the best of which will be in the south and east.
Almost 1,500 drivers made claims against councils across Wales for damage caused to their vehicles by potholes in the last financial year.
There will be a rare chance to see an asteroid pass so close to the Earth you will be able to see it with binoculars on Monday night.