Umno Youth chief Dr Akmal Saleh today hit back at Prime Minister Anwar Ibrahim for criticising those he deemed having "an obsession" with the 1MDB scandal and former premier Najib Abdul Razak.

"This is not an obsession with Najib, dear prime minister, but we are defending his right to serve (the remainder of his jail sentence) under house arrest, as the former Agong had granted him.

"We have never...