A couple from Ystradgynlais have described a feeling of "mass panic" in Munich after a shopping centre shooting.
Mike and Cynthia Davis flew out to the German city yesterday and were in a Bierkeller on the main square when the attack happened.
We'd just got our drinks. My husband and friends heard what we thought was thunder we didn't hear it. Mike said just get on the floor get on the floor and then we heard shots
We hadn't even had a drink. there was no mistaking that they were shots. We could definitely hear it. There was mass panic. People were screaming, running. We were laying on the floor. People just running over us to get out. Mike laid on top of me. It was packed with a thousand people.
The attack at the shopping centre left nine dead and several injured and was carried out by a lone gunman.
The gunman, who then killed himself, has been identified as an 18-year-old German-Iranian who was living in Munich but he was not known to police. The motive for the attack is still unclear.
Thomson and First Choice which operate out of Cardiff Airport say flights to Dalaman, Antalya and Izmir are operating as normal after more than 160 people were killed in an attempted military coup in Turkey.
In a statement they said:
Given these exceptional circumstances, customers due to depart on 16th July 2016 and who no longer wish to travel, can cancel and receive a full refund, or amend to another holiday currently on sale subject to availability.
All flights departing on Monday 18th July 2016 are operating as normal.
Normal booking conditions apply for all other travel dates to Turkey. We will continue to closely monitor the situation as it develops, together with the relevant authorities."
Cardiff Airport advise passengers expecting to travel to turkey in the next few days to monitor Foreign Commonwealth Office travel advice and check with tour operators and airlines before travelling.
Thomas Cook is advising its customers to "stay in their hotels until further notice".
A spokeswoman for the company said: "We note the reports coming out of Turkey regarding a military coup. There is no indication that guests in the coastal resorts are affected.
"However, as a precautionary measure, we advise our customers in resort to stay in their hotels until further notice.
"There has been no change to Foreign and Commonwealth Office (FCO) advice regarding travel to Turkey and our flight and holiday programme is operating as normal.
"However, given the circumstances, we are offering free amendments and cancellations for all customers due to fly to Turkey on Saturday July 16 and Sunday July 17.
"We are monitoring the situation closely and will update when we have further information.
A vigil has been held on the steps of the Senedd in Cardiff Bay following the tragedy in Nice last night. At least 84 people have been killed after a lorry was driven into crowds celebrating Bastille Day.
Speaking at the vigil, Marie Brousseau-Navarro, the honorary consul of France in Cardiff, said it was comforting to see Wales show solidarity in wake of the terror attacks in Nice.
A Welsh journalist, working in France, has told ITV Cymru Wales News, that most people in France have been expecting another terror attack.
Most people in France have been expecting some kind of attack at some point, the only real surprise was that it was outside paris.
We're all aware that another attack will happen and it could come in any time and any place, everyone always expects the capital to be struck.
A Welsh man, originally from Ferryside, who now lives in Nice, has told ITV Cymru Wales News, that the 'whole city is on a knife edge'.
Edward Jenkins says he fears that he will know some of the victims of the Bastille Day attack.
The whole city is on a knife edge.
There's a terrible underlying fear of dread that you're going to see someone you know on a list of people who have been killed.
Mr. Jenkins says that the city has been on high alert for a while now, since the Sousse attack in Tunisia.
Wales First Minister has described the Bastille Day lorry attack in Nice as 'shocking and horrific'.
In an interview with ITV Cymru Wales News, Carwyn Jones has said that the people of Wales stand shoulder to shoulder with the people of France.
Shocking and horrific are the words that I would use.
The people of Wales stand shoulder to shoulder this afternoon - not just in sympathy, but in solidarity as well.
We cannot allow attacks like this to change our free society and the way that we live.
A vigil will be held this evening at the Senedd to pay tribute to victims of the Bastille Day lorry attack in Nice.
At least 84 people have been killed - several of them children - after a lorry ploughed into crowds.
Flags at the National Assembly for Wales have been lowered to half mast following the Bastille Day lorry attack in Nice.
The vigil will take place at the steps of the Senedd from 5pm.
It is being organised by the French Consular Association in Wales.
First Minister Carwyn Jones tweeted saying, "Truly shocked at the appalling events in Nice. My thoughts are with all the victims and their families involved in this horrific attack."
Truly shocked at the appalling events in Nice. My thoughts are with all the victims and their families involved in this horrific attack