Skip to content
Accessibility Help

Notifications

Home
News
Sport
Weather
iPlayer
Sounds
Bitesize
CBBC
CBeebies
Food
More menu

Home
News
Sport
Weather
iPlayer
Sounds
Bitesize
CBBC
CBeebies
Food

Home
InDepth
Israel-Gaza war
War in Ukraine
Climate
UK
World
Business
Politics
Culture

Tech
Science
Health
Family & Education
In Pictures
Newsbeat
BBC Verify
Disability

Wales
Wales Politics
Wales Business
North West
North East
Mid
South West
South East
Cymru

What's a by-election?

To play this video you need to enable JavaScript in your browser.

This video can not be played

What's a by-election?

More on this story.

Subsection
Wales

Published

6 days ago

Share page

Related topics

Wales
Caerphilly
Caerphilly

Editor's recommendations

What's a by-election? Video, 00:00:53
Subsection
Wales
Published
6 days ago
Up Next. Watch: Police fire tear gas at protesters in Peru. Video, 00:00:40
Subsection
Latin America
Published
1 day ago
Watch: Freed detainee finds family alive after thinking they had been killed. Video, 00:01:04
Subsection
Middle East
Published
1 day ago
Watch: Moment house drifts away from land as typhoon hits Alaska. Video, 00:00:38
Subsection
US & Canada
Published
2 days ago
'We want to raise our children': Life in Gaza after hostages and prisoners released. Video, 00:00:47
Subsection
Middle East
Published
2 days ago
Crowds in Madagascar cheer as military unit seizes power. Video, 00:00:49
Subsection
Africa
Published
2 days ago
Watch: Heavy rain and flooding as Nor'easter slams multiple US states. Video, 00:00:40
Subsection
US & Canada
Published
3 days ago
'Peace in the Middle East': Trump signs ceasefire deal in Egypt. Video, 00:01:03
Subsection
World
Published
3 days ago
Watch: Emotional reunions as freed hostages return to Israel. Video, 00:01:11
Subsection
Middle East
Published
3 days ago
Watch: Palestinian prisoners released in West Bank to rapturous crowds. Video, 00:00:54
Subsection
Middle East
Published
3 days ago
Freed hostages shown in first video from IDF. Video, 00:00:17
Subsection
Middle East
Published
4 days ago
Drone captures huge fire engulfing homes in Peru. Video, 00:00:30
Subsection
Latin America
Published
4 days ago

Best of the BBC

Hamza Yassin reveals amazing wildlife around the UK
Attribution
iPlayer
The story of billionaire Snapchat co-founder
Attribution
Sounds
The tragic case of two-year-old Ethan
Attribution
iPlayer
The story of a death-defying explorer
Attribution
Sounds

Home
News
Sport
Weather
iPlayer
Sounds
Bitesize
CBBC
CBeebies
Food

Terms of Use
About the BBC
Privacy Policy
Cookies
Accessibility Help
Parental Guidance
Contact the BBC
Make an editorial complaint
BBC emails for you

Copyright © 2025 BBC. The BBC is not responsible for the content of external sites. Read about our approach to external linking.