US drugs giant Pfizer has confirmed details of a multi-billion pound takeover approach for the UK's AstraZeneca.
Lord Sainsbury, the billionaire of supermarket fame, said that under no circumstances should any takeover deal be allowed to go ahead.
US pharmaceutical giant Pfizer has made a second attempt to takeover AstraZeneca. Here are some of the main points of the possible deal.
How a tie-up between two of the world's biggest pharmaceutical firms would affect Britain.