Five Perikatan Nasional MPs had filed an originating summons at the Kuala Lumpur High Court on Jan 19 to challenge the Malaysia-US agreement on reciprocal tariffs, as they deemed it unconstitutional, null, and void.

Court documents sighted by Malaysiakini showed that the MPs had named Prime Minister Anwar Ibrahim, the attorney-general, and the government as the first to third defendants.

The MPs, namely...