SIR Rod Stewart said he wanted to “prove I’m not all mouth and trousers” as he visited his local NHS hospital where he paid for a day of scans for patients to help cut waiting lists.

Arriving in a white Rolls-Royce on a drizzly February day, the 78-year-old star said “hi everyone” as he climbed from the car outside Princess Alexandra Hospital in Harlow, Essex.

Stewart said he would like to pay for scans elsewhere too.

“If this is a big success, which I think it will be, I’d like to do it in Belfast, Dublin, Edinburgh, Glasgow, Manchester, and just keep it going, and hope some other people follow me,” he said.

The National: Sir Rod Stewart arrives at the Princess Alexandra Hospital in Harlow, EssexSir Rod Stewart arrives at the Princess Alexandra Hospital in Harlow, Essex (Image: PA Picture Desk)

The singer-songwriter last month called a live phone-in segment on Sky News and offered to pay for people to have hospital scans, having just returned from having a scan himself.

He shook hands with a series of NHS staff outside a mobile MRI scanning unit and posed for photographs.

He joked “let’s all have a sing-song” and signed his autograph for a fan, before speaking to reporters.

Stewart's donation is covering a day of scans for patients, which are being carried out at private healthcare firm InHealth’s mobile MRI scanning unit which is currently positioned at the hospital site.

Explaining how he came to pay for a day of scans at his local hospital, Stewart said: “I had just come from my scan in a private clinic near Harley Street.

“I walked in and said, ‘I’m terribly sorry I’m half hour late’.

“They said, ‘don’t worry, there’s hardly anybody in here today’.

“There were eight people with hardly anything to do.

“Then I thought this is a terrible injustice, so here we are.”

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He said he was “here not to talk about politics, please, because otherwise it overshadows what we’re trying to do”.

He added: “There must be enough money in the coffers to pay up for these nurses – only two years ago we were clapping and now…

“Bless them, they work so hard, salt of the earth.”

Pressed on the state of the NHS, the pop star said: “We’ve got to sort this out, really.

“We’re in dire straits.

“If I am going to get political, I think we should send the Ukrainians F-16s.

“It’s up to you, Prime Minister.

“I’ve been supporting them for years, Ukrainians.

“On stage I have the flag and I wear a blue and yellow suit and do a song and dedicate it to them.

“I feel very strongly about it.

“If the Ukrainians lose it’s the end of civilisation as we know it, it’s all over.”

Stephanie Lawton, chief operating officer at the Princess Alexandra Hospital, said Sir Rod paid for a day of scans at the hospital which would help reduce their waiting list by around 10%, or around 20 patients.

“Rod’s a local resident, we’re his local hospital, we’re really delighted to be working with him and his team for the benefit of patients and doing everything we can to reduce the waiting lists,” she said.

Lawton added: “It would be fantastic if he would continue to work with us.

“We’ve got a charity, he would be a massive supporter for the organisation. We would be delighted if he wanted to continue the links.”