AlQa'dah 19, 1434, Sep 25, 2013, SPA -- The Official Spokesman of the Ministry of National Guard Colonel Khalid Al-Muqbil said that on Tuesday evening an incident took place in the field of training of the National Guard in Khashem Al-A'AN, east of Riyadh, which led to the martyrdom of two members of the National Guard and wounding two others who were transferred to King Abdulaziz Medical City for treatment. He explained that the incident occurred during the application of a regular training program for one of the units of the National Guard with live ammunition after a bomb explosion inside a military vehicle which led to its burning, noting that the incident was accidental and the competent authorities of the Ministry of National Guard are conducting the necessary investigation to find out the causes of the incident.