Tonia Couch says her friend and former teammate Tom Daley was "speechless" after claiming gold at the Tokyo Olympics.

Tom Daley claimed Olympic gold at his fourth attempt, teaming up with Matty Lee to win the men’s 10m synchronised platform diving.

It is Daley’s third Olympic medal after he won bronze at the London and Rio Games.

SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews

Follow us on Twitter: https://twitter.com/skynews

Like us on Facebook: https://www.facebook.com/skynews

Follow us on Instagram: https://www.instagram.com/skynews

For more content go to http://news.sky.com and download our apps:

Apple: https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8

Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB

Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/skynewsespanol