According to the Saudi Press Agency, SPA, security forces spotted an unauthorised small recreational drone flying over the city's Khuzama district at 19:50 pm on Saturday and "dealt with it according to orders and instructions in this regard".
Amateur footage circulating earlier on social media showed loud gunfire that lasted for at least 30 seconds.
Saudi officials said King Salman was not at the palace when the incident took place.Saudi Arabia's Interior Ministry yesterday instructed drone enthusiasts to obtain permission to fly the devices until regulations were finalized.
King Salman's palace in Riyadh, Saudi Arabia on Saturday was attacked by a drone which was later shot down.
No casualties were reported in the incident, a senior Saudi official told Reuters, noting King Salman was not present in the palace at the time.
Videos were posted online showing gunfire in the palace's neighbourhood.
McConnell: I won't put legislation to protect Mueller on Senate floor
Given that Trump has made very clear he does want to fire Mueller , rejecting such a bill is a risky move on McConnell's part. Grassley told the committee that McConnell's views "do not govern what happens here in the Judiciary Committee".
The powerful 32-year-old prince has also overseen a major military shake-up and a royal purge as he consolidates power to a degree well beyond that wielded by previous rulers.
"The king was at his farm in Diriya", the official said, naming another area of Riyadh.
Most of the detainees have been released after reaching settlements with the government.
Saudi Arabia has since March 2015 led a coalition of Arab states fighting to roll back the Huthis in Yemen and restore its neighbour's internationally recognised government to power.
The movements have assisted Prince Mohammed unite his position at a state in which electricity had been shared one of figures exercised significant influence and princes for decades.