Nottinghamshire Police is seeking to trace Steven Mitchell, 48, after a man suffered serious injuries following the stabbing at the Mechanics Arms in St Ann's on Wednesday, July 19.
The force said Mr Mitchell is known to frequent numerous pubs around the city and is linked to a number of addresses in Nottingham.
Watch: Former One Direction star arrives in Nottingham
Amy Woodfield
BBC Local Live
Here's the moment former One Direction singer Louis Tomlinson arrived at BBC Nottingham earlier - some fans had been outside since 07:00!
Video content
Video caption: Former One Direction singer Louis Tomlinson arrives at BBC NottinghamFormer One Direction singer Louis Tomlinson arrives at BBC Nottingham
The pop star visited the station for an interview with local radio presenter Dean
Jackson.
BBCCopyright: BBC
Businesses looking at how to 'maximise benefits' of leaving EU
Calum McKenzie
BBC Local Live
The impact of Brexit has dominated talks among business leaders from Nottinghamshire as they met to discuss the future of the region's economy.
At a meeting of the D2N2 Local Enterprise Partnership, which covers Nottinghamshire and Derbyshire, the boss of Boots UK called for the government to provide "frictionless trade" with the EU once Britain leaves.
David Ralph, the chief executive of D2N2, added: "Ideally we would prefer to be in those mechanisms [the single market and customs union] but we are beyond that.
"So actually it is now it is about how we can maximise the opportunities and reduce the impacts [of leaving the EU] really."
The news that Boots' parent company is planning to sell off its manufacturing business, including its factory at Beeston, has prompted a strong reaction on Facebook.
BBCCopyright: BBC
The proposed deal would see the international company Fareva take over Boots Contract Manufacturing.
The Beeston site produces many of Boots' own label beauty brands.
Debbie Kings adds: "May as well just list the whole of the UK on eBay - none of our manufacturing greats belong to us anymore - even the miniscule amount we actually still have....."
Power cut in South Derbyshire
Amy Woodfield
BBC Local Live
If you're wondering why you can't turn the kettle on...
Thanks to BBC Weather Watcher Anne in Brailsford for the pic.
MPs urged to pressure government over rail electrification
Calum McKenzie
BBC Local Live
MPs need to leave party allegiances to one side and "work collectively" to try and get the Midland Mainline electrified, according to the vice chairman of East Midlands Councils.
Matt Cardy/Getty ImagesCopyright: Matt Cardy/Getty Images
Electrification of the route was scrapped by the Department for Transport last week, in favour of using bi-mode trains, which can run on electricity from London to Kettering, before switching to fuel.
Jon Collins told BBC East Midlands Today: "I think it is really important that our MPs work collectively to put pressure on government there is a future for the electrification of Midland Mainline.
"It is absolutely essential that this happens for everyone across the region."
Transport Secretary Chris Grayling said the switch to bi-mode trains would avoid the need for disruptive electrification works.
Live Reporting
Calum McKenzie and Amy Woodfield
All times stated are UK
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Video caption: Former One Direction singer Louis Tomlinson arrives at BBC NottinghamFormer One Direction singer Louis Tomlinson arrives at BBC Nottingham 
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No world record this time - but City of Derby swimmer Adam Peaty has won gold in the 50m breaststroke final at the World Aquatics Championships.
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Attempted murder suspect sought after pub stabbing
Alex Smith
BBC News Online
A man is being sought in connection with an attempted murder after a stabbing at a Nottingham pub.
Nottinghamshire Police is seeking to trace Steven Mitchell, 48, after a man suffered serious injuries following the stabbing at the Mechanics Arms in St Ann's on Wednesday, July 19.
The force said Mr Mitchell is known to frequent numerous pubs around the city and is linked to a number of addresses in Nottingham.
Anyone who sees Mr Mitchell has been urged not to approach him, but to instead call 999.
Burglar absconds from open prison
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BBC Local Live
Police have launched an appeal to the public for their help in tracing a prisoner who absconded from HMP Sudbury about two months ago.
Daniel Fenn-Dawkins was convicted of aggravated burglary in June 2015 and was sentenced to eight years and one month in prison.
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Catch upWatch: Former One Direction star arrives in Nottingham
Amy Woodfield
BBC Local Live
Here's the moment former One Direction singer Louis Tomlinson arrived at BBC Nottingham earlier - some fans had been outside since 07:00!
Video content
The pop star visited the station for an interview with local radio presenter Dean Jackson.
Businesses looking at how to 'maximise benefits' of leaving EU
Calum McKenzie
BBC Local Live
The impact of Brexit has dominated talks among business leaders from Nottinghamshire as they met to discuss the future of the region's economy.
At a meeting of the D2N2 Local Enterprise Partnership, which covers Nottinghamshire and Derbyshire, the boss of Boots UK called for the government to provide "frictionless trade" with the EU once Britain leaves.
David Ralph, the chief executive of D2N2, added: "Ideally we would prefer to be in those mechanisms [the single market and customs union] but we are beyond that.
"So actually it is now it is about how we can maximise the opportunities and reduce the impacts [of leaving the EU] really."
Council preparing to mark Derby city milestone
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BBC Local Live
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Fallen tree blocking road
Amy Woodfield
BBC Local Live
Your comments: Boots' Beeston factory to be sold
East Midlands Today
The news that Boots' parent company is planning to sell off its manufacturing business, including its factory at Beeston, has prompted a strong reaction on Facebook.
The proposed deal would see the international company Fareva take over Boots Contract Manufacturing.
The Beeston site produces many of Boots' own label beauty brands.
Over on BBC Radio Nottingham Facebook page, Ben King writes: "The start of the end for Nottingham's last big manufacturer?"
Debbie Kings adds: "May as well just list the whole of the UK on eBay - none of our manufacturing greats belong to us anymore - even the miniscule amount we actually still have....."
Power cut in South Derbyshire
Amy Woodfield
BBC Local Live
If you're wondering why you can't turn the kettle on...
Watch: Caravan stolen from farm
Amy Woodfield
BBC Local Live
Police have released this CCTV footage after a caravan was stolen from Duckmanton...
Warning: Video may contain third party advertising.
The caravan was taken at around 12:10 on Monday 17 July. It had been parked at Middle Farm on Rectory Road.
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Your photos: July across Derbyshire
Calum McKenzie
BBC Local Live
Could someone lend this pheasant an umbrella?
Thanks to BBC Weather Watcher Anne in Brailsford for the pic.
MPs urged to pressure government over rail electrification
Calum McKenzie
BBC Local Live
MPs need to leave party allegiances to one side and "work collectively" to try and get the Midland Mainline electrified, according to the vice chairman of East Midlands Councils.
Electrification of the route was scrapped by the Department for Transport last week, in favour of using bi-mode trains, which can run on electricity from London to Kettering, before switching to fuel.
Jon Collins told BBC East Midlands Today: "I think it is really important that our MPs work collectively to put pressure on government there is a future for the electrification of Midland Mainline.
"It is absolutely essential that this happens for everyone across the region."
Transport Secretary Chris Grayling said the switch to bi-mode trains would avoid the need for disruptive electrification works.