In a landmark antitrust case, Judge Amit P. Mehta ruled on Tuesday that Google must hand over some of its search data to rivals but did not grant the government’s biggest requests.

A case over the US tech giant's dominance in internet search is only a partial win for the firm.

In a landmark antitrust case, Judge Amit P. Mehta ruled on Tuesday that Google must hand over some of its search data to rivals but did not grant the government’s biggest requests.

US judge has ruled that it must help rivals improve their search engines