Brussels attacks: People from Wales on what they saw

More than 30 people are believed to have been killed in attacks on Brussels' airport and metro.

Security at ports, airports, Tube and major railway stations in the UK has been stepped up, with the prime minister warning of "a very real terror threat".

David Cameron condemned the attacks, which have been claimed by so-called Islamic State, as "savage".

Two British nationals are thought to have been among the scores of injured.

Caroline Evans has been speaking to people from Wales who live and work in Brussels.