A renowned engineer, a respected international arbitrator and a concerned social worker, Patrick Mehigan has died aged 79.

The second was a fight between companies over whether their legal dispute should be heard by an Alabama court or an international arbitrator in Germany.

Last year an international arbitrator ordered Alfa to return the stake to Karamehmet's holding company for $1.6 billion.

After months of bitter wrangling, an international arbitrator has ruled that Andersen Consulting will be allowed to break away from its parent company, Arthur Andersen.