Saudi Arabia has said that the man who confessed to killing two Saudi police officers in Riyadh was working under orders from the Islamic State in Iraq and Syria (Isis).

The man, identified as Yazid bin Mohammad Abdel-Rahman Abu Nayan by Saudi Arabia’s Interior Ministry, admitted killing the two officers in a ‘drive-by-style’ shooting on 8 April.

When Nayan was arrested, explosives, arms and ammunition were found buried nearby along with mobile phones allegedly used to contact Isis members in Syria.

A second suspect is also being hunted in connection with the killings and has been identified as Nawaf bin Sharif Samir al-Anzi.

Security officials are ramping up domestic security in light of the recent Saudi-led coalition carrying out bombing raids against the Houthi rebels in Yemen.

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