Scottish MPs have slammed the UK Government in the House of Commons for its proposed anti-strike legislation.
The SNP called the potential laws "extreme" and an "assault on workers".
The Conservatives are considering measures which could allow employers to sue unions and sack workers if they did not provide a certain level of service.
It comes after a fresh wave of industrial action this year. Train services were badly disrupted last week by two 48-hour RMT strikes and a drivers' strike in England.
SNP MP Chris Stephens accused the UK Government of trying to introduce the "unpopular and extreme" legislation against the will of the Scottish people.
Stephens told the Commons: "The minister talks about administrations working together, so how is it working together when the government proposes unpopular and extreme legislation, like the proposed anti-strike legislation... which not devolved administration supports and hasn't been consulted on? How is that strengthening the union?"
He added: "If the devolved administrations say no to the proposed anti-strike legislation, the government will accept that then, won't it?"
Fraserburgh native and junior minister Felicity Buchan replied: "There are established procedures in place. We are there to discuss."
Glasgow East MP David Linden called the proposed legislation "an assault on workers" and said that it was driving many Scots towards independence.
Linden said: "The last six out of seven polls have shown majority support for Scottish independence. What does she think it is that's driving up that support? Is it ignoring the majority of pro-independence MSPs?
"Is it the assault on workers with the anti-trade union legislation that's going forward? Or is it just 12 long years of Tory rule that Scotland has voted for since the 1950s?"
Buchan replied: "We respect the priorities of the Scottish people... We will work in cooperation with the Scottish Government. We respect devolution. We want to work with you in order to implement the people's priorities."
Paisley and Renfrewshire North MP Gavin Newlands also accused the Government of causing regional inequality. He questioned how they could solve the inequality "when they largely caused it in the first place".
Newlands said: "The UK is already the second most unequal G7 country with inflation higher in poorer regions including many parts of the west of Scotland, than in places in London and in the south-east of England and is set to get even worse as a result of the Tory cost-of living crisis.
"Local initiatives like the Clyde Green Freeport are designed to boost economic prospects in the West of Scotland. But inequality is still a major impediment to economic growth.
"How can the Tories fix this inequality when they largely caused it in the first place and spent the last decade making it worse?"
Junior minister Dehenna Davidson replied: "I'm grateful to my honourable friend for drawing attention to the green free ports programme which will provide brilliant opportunities for residents in Scotland. We hope to make an announcement on that incredibly soon.
"I draw his attention to are the incredible UK government funds that are going into Scotland the UK Shared Prosperity Fund, the Levelling Up Fund, the Community Ownership Fund - all things that Scottish people can access thanks to the UK Government."
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