David Cameron paid a warm tribute during Prime Minister's Questions to Sir Stuart Bell, the Labour MP for Middlesbrough who died on Saturday.
Sir Stuart had held the seat for nearly 30 years.
The Prime Minister described him as a hugely popular MP "whose kindness transcended the political divide".
Former Stockton South MP Dari Taylor spoke of her sadness after the death of Middlesbrough MP Sir Stuart Bell.
Statement from Middlesbrough Mayor Ray Mallon regarding the death of Sir Stuart Bell. He said:
– Ray Mallon, Mayor of Middlesbrough
“To say that I am shocked to learn of Sir Stuart’s death would be a considerable understatement, and my thoughts are with his wife Margaret and the whole family.
“I have known Stuart Bell for more than ten years, and I since I became elected Mayor we have supported one another through thick and thin.
“He has done a great deal for me personally and for the town as a whole, and it is common knowledge that I held him in the highest regard.
“He was extremely personable and knowledgeable, and I will not forget how much I enjoyed seeing and listening to him.”
Labour leader Ed Miliband MP has responded to the death of Sir Stuart Bell MP. He said:
"Sir Stuart's death will come as a huge blow to his family and many friends and colleagues.
"He spent the long years of opposition fighting for the Labour Party to regain power and championed, throughout his life, the many causes that were close to his heart.
"He resigned from the opposition front bench to pursue his calls for justice for the children and families of the Cleveland child abuse scandal.
– Ed Miliband MP, Labour Party Leader
"He served the House of Commons and the Church of England as the Church Commissioner, a position he held for thirteen years and was a passionate campaigner on European issues.
"The son of a North East miner Stuart was fiercely proud to represent Middlesbrough.
"Stuart was a dedicated family man and had a formidable partnership with his wife Margaret. All our thoughts are with her and his two children."