At the time, the dispute over the city's official name had not yet become as politicised as it would in later years.

Many observers believe that the dispute has become personal.

The dispute is becoming a political issue in India, where a national election is expected in the next five months.

Little wonder, therefore, that these disputes have become more numerous.

But while the dispute has become more intense and more hostile, it's not new.

Such disputes between commercial interests and researchers have become more common as drug companies increasingly use independent scientists to test new drugs.

These talks were not successful, with the dispute becoming more acrimonious rather than approaching a settlement.

Although the amount is modest by world trade standards, the dispute had become increasingly bitter.

The dispute is becoming increasingly bitter and is beginning to look like a trade war.

Few disputes about software patents held by the major software companies have ever become public.