First Minister Carwyn Jones has described a suspected terror attack at Westminster as "a terrible attack at the heart of our democracy."
Four people were killed and dozens more were injured after a car and knife attack in London on Wednesday afternoon.
A house in Carmarthenshire searched by detectives after the Westminster terror attack is understood to belong to the attacker's mother.
The rural property near the village of Trelech was searched yesterday.
One police van remains guard outside along with up to three officers.
Police visited the address, where Khalid Masood's mother lives, along with properties in Birmingham and London.
Dfyed-Powys Police said the occupants are not suspects and have not been arrested. They added that the search has now concluded and there is no threat to the area.
A police presence remains at the rural Carmarthenshire home of terrorist Khalid Masood's mother on Friday evening.
Labour MP Chris Bryant described PC Palmer as 'our shield and defender yesterday.'
Rhondda MP Chris Bryant says security measures at the Palace of Westminster should be reviewed following yesterday's terror attack.