KUALA LUMPUR (REUTERS) - The North Korean embassy in Malaysia said on Wednesday (Feb 22) that the three suspects detained in the connection with the murder of Mr Kim Jong Nam should be immediately released.

A Vietnamese woman, an Indonesian woman and a North Korean man have been "arrested unreasonably", the embassy said in a statement released to the media.

Mr Kim Jong Nam, the estranged half-brother of North Korean leader Kim Jong Un, was killed at Kuala Lumpur International Airport last week while preparing to board a flight to Macau.

Malaysian police said a senior official in the North Korean embassy and a staffer at its state airline, were also wanted for questioning over the murder.

(This story is developing)