ST. JOHN'S, N.L. - The opening of a judicial inquiry into erroneous breast cancer tests in Newfoundland has been delayed because of bad weather.

The inquiry was scheduled to begin Tuesday, but heavy snow in St. John's caused officials to announce they have postponed the opening of hearings until Wednesday.

The Newfoundland and Labrador government ordered the inquiry last May after it was revealed that 317 patients received faulty test results.

The inquiry will try to determine why there were so many inaccurate test results.

It has also been asked to find out why the errors weren't discovered until 2005, whether they could have been detected sooner, and whether the Eastern Health authority responded to patients and the public in an appropriate and timely manner.

Breast cancer patients affected by the tests and relatives of patients who have died are scheduled to be the first to testify.