Think of it as a DDOS attack in physical space. The Kremlin was the server that was overloaded with pings.
RT @shakirov2036: A Watch Dog-type hack in Moscow: multiple fake orders through Yandex Taxi caused a traffic jam on the Kutuzovsky Prospekt that reportedly lasted btw 40 minutes and 2 hours

Yandex confirmed this was caused by attackers attempting to disrupt the service

https://www.forbes.ru/biznes/475941-sboj-v-rabote-andeks…

🐦🔗: https://nitter.eu/IlvesToomas/status/1565430627507257344