David Cameron is aiming for a number of concessions ahead of an EU summit later this month, which could pave the way for a UK in-out referendum in June.
But what do our representatives in Westminster, the European Parliament and the business community think of the plan?
Mark Witty reports:
The people of Sheffield have lost a real champion in Harry Harpham. From Darnall to Westminster he spoke for them. A voice silenced too soon
Terribly sorry to hear the sad news about Harry Harpham, a big loss to Sheffield. Thoughts with all family & friends https://t.co/vhekchL6j3
To the very end, Harry Harpham was fighting for working people in parliament. What a decent man he was. Condolences to his family.
Labour MP Harry Harpham, who represented Sheffield Brightside and Hillsborough, has died from cancer, the party has said.
The former miner entered Parliament at the general election last year after a long career in local public service, including a stint as deputy leader of Sheffield Council.
In a statement Labour leader Jeremy Corbyn paid tribute to Mr Harpham.
The news of the death of Harry Harpham is extremely sad and I send my deepest condolences to his family.
Harry was a proud socialist who had also been a proud miner.
He was dedicated to justice for working people and despite the undoubted hardship that his support for the miners’ strike would have caused him, as it did many thousands of miners, Harry recently told me he would have done it all again.
To the very end he was fighting for working people in parliament. What a decent man he was and he will be sadly missed by all his friends in the Labour Party.
Mr Harpham was diagnosed with cancer after his party's autumn conference last year and was treated in hospital a short time later.
He ran for Parliament after former home secretary David Blunkett announced he was standing down, and won the seat with a majority of 13,807.
Mr Harpham leaves behind his wife Gill and children Annie, Kieron, Dan, Emily and Victoria.
On Last Orders Paul Brand hosts a four-strong panel discussing the EU referendum and whether our region's towns and cities are doing enough to integrate with ethnic minorities.
Guests are Rachel Reeves MP ( Lab Leeds West) Andrea Jenkyns MP ( Con Morley and Outwood) Lib Dem Peer Baroness Pinnock of Cleckheaton, and the UKIP Deputy Chairman Suzanne Evans
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