Pharmaceutical giant Pfizer today promised it would have a "substantial presence in Cambridge" if its takeover bid for Astra Zeneca went ahead - but admitted jobs would have to go somewhere.
AstraZeneca is currently opposing the multi-billion pound bid, which could have implications for its proposed research development facility in the city.
Today members of Parliament's Business Select Committee had a chance to question the heads of both companies.
Click below to watch a report from ITV News Anglia's Matthew Hudson
The Cambridge company at the heart of an international take over row is warning uncertainty over its future could interfere with research.
This morning Pfizer has "gone hostile", not with a renewed bid but with an appeal made directly to the shareholders of AstraZeneca.