The government is bringing forward new strike laws to “maintain a basic function and deliver minimum safety levels” in the public sector during industrial action, the business department has confirmed.

In a statement, it said the government would “always protect the ability to strike”, but added: “It must be balanced with the public’s right to life and livelihoods”.

The legislation will be put to the Commons “in the coming weeks” and set minimum service levels for fire, ambulance and rail services for when the sectors decide to take action.

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The government will consult on what those service levels should be, but said it would take into account that “disruption to blue light services puts lives at immediate risk”.

There had been reports that other sectors would also be covered by the new laws, including health, education, nuclear power, other transport services and border security.

But the department said it “expects to continue to reach voluntary agreements” with those unions and “would only look to consult on minimum safety levels should these voluntary positions not be agreed”.

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Speaking to reporters, business secretary Grant Shapps said he would “rather we never have to go down this this route” and hoped that unions and employers could “get together and do sensible things in order to guarantee a minimum safety or service level in each different area”.

But he said recent ambulance strikes left the country with a “postcode lottery” of services, which was “unacceptable”, and the government would now have the power to impose service levels to stop that happening.

“There has to be a minimum safety level that people can expect even on strike days, particularly in areas like health care, making sure that an ambulance can turn up, for example,” said Mr Shapps. “That’s very patchwork at the moment.”

Ahead of the announcement, Labour leader Sir Keir Starmer said he would repeal anti-strike laws introduced by this government if his party came to power, saying: “I don’t think this legislation is going to work and I’m pretty sure they’ve had an assessment that tells them that.

It’s likely to make a bad situation worse.”

The chief of rail union Aslef, Mick Whelan, also told Sky News this morning that such laws could lead to “longer strife and a different form of action”.

He added: “We’re currently – with 11 other trade unions – taking legal action against the last set of laws they put in place, and we would look at doing that in future as well.”

But the business secretary hit back at criticism from unions who claim such laws will impact the rights of its members, saying other modern European economies already have minimum safety levels.

“If, for example, you’ve got somebody who has a heart attack, maybe a stroke, the idea that there may not be an ambulance coming because there’s a strike on I think is unacceptable,” added Mr Shapps.

“We’re not proposing to go the full hog. Other countries, parts of America, Canada or Australia, they have legislation which bans those blue lights entirely from going on strike. We’re not proposing that.

“I think it’s very reasonable what we’re suggesting, but I think the time has come and it brings us into line with other European nations.”

In the same announcement, the business department invited union bosses for “constructive conversations about what is fair and affordable” in the next round of public sector pay settlements, promising to be transparent about the figures they hand over to pay review bodies.

It also called for upcoming strikes to be cancelled while any talks go ahead, and said unions needed to “play their part in finding an agreement that balances giving workers a fair and reasonable settlement with continuing to take steps to bring down inflation and protect households’ budgets”.