Houthis claim attacks on Saudi oil pumping stations and Riyadh airport

1. What happened

   According to a Reuters headline, the Houthis say they attacked Saudi oil pumping stations and Riyadh airport. The claims come as fighting intensifies, and the headline itself does not confirm the attacks.

2. When it started

   The exact date and time of the reported attacks are not given in the material provided. Check the Reuters report for timing.

3. How it spread

   The attacks are attributed to the Houthis, based on their own statements as reported by Reuters. Independent confirmation of the damage or the locations was not available in the material provided.

4. Why it matters

   The material provided does not explain the reasons behind the reported attacks or the wider conflict. Reuters' full report would be needed for that context.