Watch again as Oliver Dowden faced Angela Rayner at Prime Minister's Questions on Wednesday, 5 July. The deputy prime minister and deputy leader of the Labour party are filling in for Rishi Sunak and Sir Keir Starmer as the party leaders attend a service at Westminster Abbey to celebrate the 75th birthday of the NHS. The prime minister and the Labour leader will both give a reading at the ceremony. Wednesday's celebrations come as leading health think tanks warn that the service will not be around to celebrate its 100th anniversary without investment, despite public support for the NHS being "rock solid." The NHS is the "jewel in the country's crown" but faces "huge challenges" from a "decade of underinvestment," the King’s Fund, the Health Foundation and the Nuffield Trust said in a letter to Rishi Sunak, Sir Keir, and Liberal Democrat leader Sir Ed Davey. Former prime minister Sir Tony Blair has warned the service will continue to "decline" without radical reforms, calling for the NHS to make more use of the private sector to cut waiting times. A record 7.4 million people in England were waiting for treatment as of the end of April 2023. Watch more videos at the Independent TV: https://www.independent.co.uk/tv/editors-picks Click here to subscribe to The Independent: https://bit.ly/Subscribe-to-Independent About The Independent: Making Change Happen. The Independent is the world’s most free-thinking newsbrand, providing global news, commentary and analysis for the independently-minded. Connect with The Independent: Check out our full video catalog: null Videos, daily editorial and more: http://www.theindy.com/ Click here to get the best of The Independent daily: https://www.independent.co.uk/newsletters Like The Independent on Facebook: https://www.fb.com/TheIndependentOnline Follow The Independent on Twitter: https://twitter.com/Independent Follow The Independent on Instagram: https://www.instagram.com/the.independent Download the iOS & Android app: https://www.independent.co.uk/subscribe/app Help to support truly independent journalism. Every dollar you contribute will directly fund additional special reports and investigations from a free-thinking, award-winning newsroom you can trust - https://www.independent.co.uk/donations Subscribe to Independent Premium for exclusive content & live events: https://bit.ly/2MiOONB