Siti Aishah, a 25-year-old mother of one from Jakarta, and Doan Thi Huong, 28, from rural northern Vietnam, could be hanged if they are convicted for the killing of Kim Jong-nam at Kuala Lumpur International Airport on February 13.

Police brought the two women to court handcuffed and wearing bullet-proof vests. No plea was recorded after the charges were read out against them.

Aishah and Huong have told diplomats who visited them in custody that they were unwitting pawns in an assassination that US officials and South Korean intelligence have said was organised by North Korean agents.

Vietnamese suspect Doan Thi Huong is escorted by police officers out of court (Daniel Chan/AP)

The next court date will be on April 13, when prosecutors will apply for the accused to be tried jointly.

Kim Jong-nam, who had criticised the regime of his family and his half-brother Kim Jong-un, died after the two women allegedly smeared VX nerve agent, a chemical described by the United Nations as a weapon of mass destruction, across his face.

The charges against Aishah were read first, followed by those against Huong.

According to the charges the women and four unnamed people, who are still at large, were at the departure hall of the airport, with intention to murder the North Korean citizen.

One North Korean man, identified by police as Ri Jong-chol, is still in police custody and has not been charged yet.

Malaysian police arrested both women in the days after the attack. Security camera footage, which has been broadcast in the media, showed them assaulting Kim Jong-nam at the airport. He died within 20 minutes.

Both women have told diplomats from their countries that they had been paid to take part in what they believed was a prank for a reality television show.

Speaking in Jakarta, Indonesia's foreign ministry spokesman Armanatha Nasir hoped Aishah would receive a fair trial.

“We hope that the principle of a defendant being presumed innocent until proven guilty will be adhered to,” Nasir said.

North Korea Prison Camps Show all 7 1 /7 North Korea Prison Camps North Korea Prison Camps An overview of Camp 25 Amnesty International/DigitalGlobe North Korea Prison Camps The administration area of Camp 15 Amnesty International/DigitalGlobe North Korea Prison Camps A water treatment system in Camp 25 Amnesty International/DigitalGlobe North Korea Prison Camps Crop fields and, inset, prisoners in Camp 25 Amnesty International/DigitalGlobe North Korea Prison Camps The reported crematorium in Camp 25 Amnesty International/DigitalGlobe North Korea Prison Camps A possible mine Amnesty International/DigitalGlobe North Korea Prison Camps A walled compound in Camp 15 Amnesty International/DigitalGlobe

“The lawyer that has been appointed will make the case for Siti and we hope that she gets a fair trial, afforded all her legal rights and not tried by the public.”

Huong, the Vietnamese woman, was detained 48 hours after the murder in the same airport terminal where Kim Jong-nam was killed.

She is believed to be the woman wearing a white shirt emblazoned with the acronym “LOL”, whose image was caught on security cameras while waiting for a taxi after the attack.

The Indonesian woman, Aishah, was detained a day later.