Kim Jong Nam arrives at Beijing airport in Beijing, China, in this photo taken by Kyodo February 11, 2007. Picture taken February 11, 2007.
An official statement on the arrest would be issued later in the day, IGP Khalid Abu Bakar told Bernama.
Malaysian police on Wednesday detained a woman holding Vietnam travel papers and said they were looking for a "few" other foreign suspects in connection with the apparent assassination.
