A search of a property in Carmarthenshire following the terror attack in London has been completed without any arrests, police have said.
They said there is no threat to the area linked to the search.
It is understood the mother of the man who carried out the attack, Khalid Masood, lives at the property.
A Dyfed-Powys Police statement said: "The Wales Extremism and Counter Terrorism Unit (WECTU), supported by officers of Dyfed-Powys Police, have today provided assistance to The Metropolitan Police, following yesterday's incident in London. In doing this, they have conducted a search of one property in Carmarthenshire – this search has concluded.
"The occupants are receiving appropriate support. They are not suspects and have not been arrested.
"There is no threat to the area and we are supporting the broader investigation by the MPS Counter Terrorism Command.
"We will continue to review our security arrangements working with colleagues and partners across Wales and wish to reassure our communities that Dyfed-Powys remains one of the safest areas to live, work and visit.
"If you have any further information or are concerned, you can call us on 101 or the Anti-Terrorist Hotline on 0800 789 321. In an emergency, you should always call 999."
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