(Spokesman comments on units)
LONDON, May 19 (Reuters) - Royal Dutch Shell onMonday reported flaring at its 404,000 barrels-per-day Pernisrefinery, Europe's largest plant, following a brief leakage.
The incident, which occurred at around 0300 GMT, led to theshutting down of a secondary unit, a company spokesman said,without adding details.
The flaring was over by 1100 GMT, he said. (Reporting by Ron Bousso; editing by Jane Baird and JasonNeely)