Funding the road network has been a source of controversy for many years.

She was a source of major controversy among her kind.

Nick was a major source of controversy for the series.

This problem has become a source of considerable political controversy on a national level.

It has been a source of controversy and debate around early development.

The cemetery has been the source of much controversy in recent years.

The outcome has been a source of controversy ever since.

It has been a major source of political controversy since the early 20th century.

The Council met in private, a further source of controversy.

The house burned down in 1939, and remains a huge source of controversy.