The Competition & Markets Authority has provisionally blocked Fox's attempt to buy the 61% of Sky that it does not own already.
The Liberal Democrats have opposed the deal would result in a significant reduction in media competition with one family having too much power.
The CMA has reached the correct decision on the Murdochs' attempt to take full control of Sky.
The full takeover would have concentrated too much of the British media in the hands of just one family.
Plurality of media ownership is vital.
It is not in a democracy's interests to allow one group to have such potential power to shape public opinion.
This should now be the end of the matter.