Tesco has announced more changes to the way it runs its supermarkets, a move which will impact many staff.
The company plans to cut 1,750 team-manager posts across hundreds of its larger stores, while closing roles elsewhere.
A new tier of 1,800 lower-paid shift-leader positions will take over running its shop floors.
Tesco also announced it will close its counters and hot delis, with staff offered alternative jobs elsewhere.
Britain's largest supermarket said the axing of its counter and delis from February 26 were due to lack of demand from customers.
It is also closing eight pharmacies, moving overnight roles to daytime in 12 stores and reducing hours in some post offices.
Pay protected
The company said team managers who take new shift-leader positions will have their pay protected for two years.
Similar changes have already happened at Tesco's smaller stores, but the grocer is now implementing them at its larger superstores and Tesco Extra shops.
Daniel Adams, national officer of the Usdaw union, which represents Tesco workers, told the BBC the announcement would be "especially difficult" for staff in the midst of the rising cost of living.
"We will be doing all we can to support members throughout the process with a view to protecting jobs and, where this is not possible, securing the best-possible deal for those affected," he said.
Jason Tarry, Tesco's UK and Ireland boss, said the decisions were "difficult", but added they were "necessary to ensure we remain focused on delivering value for our customers wherever we can, as well as ensuring our store offer reflects what our customers value the most.
"Our priority is to support those colleagues impacted and help find alternative roles within our business from the vacancies and newly-created roles we have available," he said.
Other changes
Alongside the planned team-manager cuts, a further 350 jobs are at risk in a series of other changes at the company.
It is also cutting some jobs at its head office as well as closing its maintenance national operating centre in Milton Keynes.
- Tesco has bought the brand and intellectual property of High Street stationery chain Paperchase, hours after it fell into administration.
But the grocer has not acquired the chain's 106 shops in the UK and Ireland, leaving the future of 820 staff in doubt.
The furthest-north outlet in Scotland is in Dundee.
Paperchase's administrator, Begbies Traynor, said 75 workers at its head office have been made redundant.
All stores will remain open for now with two weeks to redeem gift cards.
The BBC says Tesco will now sell the stationer's goods in its stores across the UK.
FTSE 100
The UK's top share index, the FTSE 100, was ahead 15 points at 7,787 shortly after opening this morning, following yesterday's 13-point loss.
Brent crude futures were up 0.02% at $85.48 a barrel.
Companies reporting today
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- Trading update: Entain, Virgin Money, Vodafone