The Chief Executive of US pharmaceutical giant Pfizer has written to Prime Minister David Cameron, in attempt to smooth relations with the UK government over its pursuit of AstraZeneca.
In a deal that could create the world's biggest drugs company, as well as the biggest takeover of a UK company in history.
Chief Executive Ian Read wrote to David Cameron promising to complete a substantial new research centre in Cambridge and retain a manufacturing plant in Macclesfield.
"We would like to assure the government of our long term commitment to the UK where Pfizer already employs a significant number of colleagues across Research, Commercial, and Administrative roles," the company said on Friday.
Pfizer has until Monday until it admits defeat in bidding for AstraZeneca. But after the shenanigans of the past few days we cannot be sure.
AstraZeneca's share price is tumbling back down to earth after the board rejected a "final" Pfizer bid. So is the takeover really over?
Sweden's Finance Minister says the Government should be "very, very sceptical" about any promises the US pharmaceutical giant makes.