<p>A hardline royalist activist launched a legal action on Monday against an opposition party for voicing concern during a recent parliamentary debate over the indiscriminate use of the royal defamation law.&nbsp;</p>

<p>Police filed a fresh charge of royal defamation against a monarchy critic who took a swipe at a recent court ruling, a civil rights lawyer group said, while a politician faced a criminal complaint for referencing the political crisis in Sri Lanka.&nbsp;</p>