The Six Kings Slam, an exhibition tennis tournament in Saudi Arabia, has been postponed from October to December, BBC Sport, Al Jazeera and Reuters reported Wednesday.

The event was scheduled for Oct. 21 to 24 in Riyadh, Al Jazeera and Reuters said. It will now take place Dec. 27 to 30, organizers said.

The move follows a series of deadly attacks on Riyadh by Yemen's Houthis, BBC Sport reported. A missile strike on the city's airport on Saturday killed 13 people and wounded more than 300, the BBC said. Reuters reported that the strike killed at least 12 people, and said the Houthis claimed responsibility for it.

"The decision reflects Riyadh Season's commitment to delivering sporting events to the highest standards, following an assessment of the organizational and logistical challenges associated with hosting the tournament and their potential impact on the quality of the audience experience," organizers said in a statement, as reported by Reuters and BBC Sport.

Turki al-Sheikh, chairman of Saudi Arabia's General Entertainment Authority, announced the postponement on X, Al Jazeera reported.

Carlos Alcaraz, Novak Djokovic and Alexander Zverev were due to take part, along with Taylor Fritz, Learner Tien and Alex de Minaur, Al Jazeera and BBC Sport said. Defending champion Jannik Sinner had withdrawn because of injury, Reuters reported.

The event was to be streamed live by Netflix, Al Jazeera said.

Other sports in the kingdom have been disrupted. Three Saudi Pro League matches, including one involving Cristiano Ronaldo's Al-Nassr, were postponed, BBC Sport and Al Jazeera reported.

Golf's Asian Tour said it is monitoring the situation ahead of the Saudi International in Riyadh next month, Reuters and BBC Sport reported.

What we know: The Six Kings Slam has moved to Dec. 27 to 30.
What we don't: Whether all six players will still take part in December.