Prime Minister Theresa May raised objections to the Hinkley Point nuclear power deal during the coalition government, Lib Dem ex-business secretary Sir Vince Cable has claimed.

Sir Vince said the then home secretary was unhappy about the "gung-ho" attitude to Chinese investment displayed by former chancellor George Osborne.

The ex-cabinet member was speaking after Mrs May unexpectedly delayed signing-off on the project at the last minute.

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"Certainly, when we were in government, Theresa May was, I think, quite clear she was unhappy about the rather gung-ho approach to Chinese investment that we had, and that George Osborne in particular was promoting and, as I recall, raised objections to Hinkley at that time," Sir Vince told BBC Radio 4's Today programme.

Read more: Government delays decision on Hinkley Point until autumn after EDF vote to proceed with £18 billion nuclear power station

HeraldScotland:

The former business secretary said the way the decision to delay was handled was "clumsy", but it was right the situation should be reviewed.

Critics believe the Government has been stung by criticism of the amount of money French energy giant EDF will be paid for generating power from Hinkley - £92.50 per megawatt hour of electricity generated.

It is thought there are also security concerns about the role of the Chinese state - which has a one third share in the project - investing in critical infrastructure in the UK.

The claims came as the boss of EDF said he understands the Government wanting more time to consider plans for a new nuclear power station.

Vincent de Rivaz has written to workers in a bid to reassure them that the £18 billion Hinkley Point project is still "strong" despite the unexpected delay.

The company's board narrowly voted to give the final go-ahead for the long-delayed project but the Government pulled back from signing the contract saying it would make a decision in the early autumn.

Mr de Rivaz said: "The new Prime Minister has been in post for just 16 days. Her full Cabinet has been in post even fewer.

Read more: Future of new EDF Hinkley Point nuclear power plant thrown into doubt after government delays decision

"We can understand their need to take a little time. We fully respect the Prime Minister's method."

HeraldScotland:

The chief executive said his message was one of confidence and promised the project would deliver high-quality jobs across the country when it was finally built.

"The very good news is that we are ready. The board's decision means that when the Government is ready to go ahead, we are ready too."

Mr de Rivaz said he had met Business and Energy Secretary Greg Clark after the minister announced the Government would "consider carefully" all parts of the project before making a decision.

Mr de Rivaz's letter said: "In April, I asked the project team in Britain and France to 'stay mobilised - keep your motivation high. Remain the professionals you are, committed to the company'.

"We have never stopped the project and the teams kept working so that they could preserve the timetable. On the site we have continued to prepare and develop the site for the construction phase.

HeraldScotland:

"My message today is one of continuity and confidence. The EDF board's decision is a huge achievement and one we should be proud of. Our journey is a long one and there is a further stage. Our job now is to maintain the courage, patience and dedication that have served us so well."

Unions have warned that jobs are at risk, though Government sources insisted the delay had been agreed with the French.

Read more: Agenda: Nuclear must be part of the energy mix

Jason Millett, chief operating officer for major programmes and infrastructure at Mace, a major contractor at Hinkley Point, said the decision to delay had left people "bewildered".

"I think a lot of people were surprised, and probably a little bit bewildered as well," he told the Today programme.

Mr Millett said he was now a bit nervous but expected the Government to go ahead with the deal.

"We are a little bit nervous. You have to remember in the business we do, projects do have ups and downs and there are hurdles. We thought the EDF board decision would be the last hurdle, this is a new hurdle that's been introduced," he said.