As often with Houthi-source material, we get to see an entire assault unfold. The Houthis are good at picking off positions of the Saudis and their mercenaries.
Snackbar warning in order.
The location is Jizan, which is actually a province that Saudi Arabia more or less stole from Yemen and where the Saudis get no love. Importantly, if the Houthis take more of the province, they will be in a position to stike Jeddah repeatedly with their longest-range rockets.