This in in one of the attached sections below that main story:
Russia aiding Iran with cyber support and spy imagery to hone attacks, Ukraine says
[...]
A Western military source and a separate regional security source told Reuters that their intelligence also indicated intense Russian satellite activity in the region and said that imagery had been shared with Iran.
Nine surveys covered parts of Saudi Arabia, including five over the King Khalid Military City near Hafar Al-Batin, in what appeared to be an effort to locate elements of the US-made THAAD air defence system, the Ukrainian assessment said.
And it leaves me curious: How do you detect satellite based video/photo surveillance?