However, the tax has caused fierce controversy amid signs that the government was itself split over the measure.

Such ideas led to fierce controversy and theologians penned innumerable volumes in defence of scripture.

For more than 80 years electricity pylons have been a source of fierce controversy.

There has, however, been a fierce controversy over the side effects, with some doctors believing they have been under-reported.

This fierce controversy fought in newspapers and even lectures prevented most of the research of the acquired material for the next years.