The Grimsby MP Austin Mitchell has apologised about comments he made online about pharmaceutical company Pfizer.
On Twitter, he likened the American company to 'rapists' in their bid to take over Astra Zeneca.
Speaking to LBC radio, he said he did not see a reason to apologise, labelling the row a "storm in a teacup" - but added he wished he had used a "different word".
However, a Labour spokesperson has now confirmed he has apologised to the party's chief whip, Rosie Winterton.
The MP for Grimsby - Austin Mitchell - has announced he's to stand down. The Labour MP who has represented people in the town since 1977 - turns 80 later this year. Mr Mitchell announced his decision to his constituency party last night and will leave next May before the General Election.
Grimsby MP, Austin Mitchell, told members of the Public Accounts Committee last night that he saw no evidence that the £42 billion HS2 scheme would help to bridge the north-south divide.
Instead, he told the Permanent Secretary for the Department of Transport, Philip Rutnam, that he was 'trying to justify a policy, in principle, that was plucked out of the air,' (video below). Rutnam replied that it was an essential project as trains are filling up.
Grimsby MP Austin Mitchell is in hospital today after falling outside the Houses of Parliament last night.
Tests are being carried out on the 78-year-old former Calendar presenter at King's College Hospital, in London, where TV show 24 Hours in A&E is filmed.
A spokesperson for Mr Mitchell said: "Austin had a nasty fall after a Commons vote last night. He was taken to hospital but he's been in touch with the office this morning."
Veteran MP Austin Mitchel today claimed older MPs are now regarded, in some respects, as dinosaurs, geriatrics or out-of-touch idiots while Britain's party leaders seek "the youthful and brainless" as candidates for Westminster.
"Our leaders are desperate to give their teams the youthful image which radiates from Botox, hair dye and the gym," said , the 78-year-old Great Grimsby MP in an article in The Oldie magazine.
"Politics is now a game played on the media which abhors age. Parliament gets younger as society gets older. The proportion of older MPs has shrunk in inverse ratio to the increasing numbers of oldies in the real world."
Austin Mitchell MP for Grimsby tells John Stapleton on last night's regional political programme Last Orders about his relationship with Jimmy Savile and his feelings since the child sexual abuse claims surfaced.
Austin Mitchell has taken a good battering after he came to the aid of a children's hospice. The Grimsby MP found himself on the wrong end of this fishy tale after promising to do a forfeit if the hospice managed to raise thirty thousand pounds from it's Jubilee lottery.