A gunman has opened fire outside the Al-Salam Palace on Saturday, killing two members of the Saudi Royal Guard.
According to Saudi Arabian media, a security spokesman for the Interior Ministry confirmed that an attacker opened fire upon the royal palace after exiting a vehicle.
Two royal guards have been shot dead and three others were injured.
SPA reports that the gunman was shot dead.
The Interior Ministry has said that the attacker was carrying Kalashnikov rifles and Molotov cocktails.
The investigation into the circumstances of the attack is ongoing.
King Salman of Saudi Arabia is currently undertaking a state visit to Russia. Earlier in the week, he met President Vladimir Putin as the two leaders held bilateral talks.
This is a developing story and more information will be added as it becomes available.