We've confirmed that all systems are back to normal with no customer impact as of 01/02, 06:45 UTC. Our logs show the incident started on 01/02, 06:05 UTC and that during the 40 minutes that it took to resolve the issue some customers in West Europe region might have experienced Alerting failures or delayed alerts issue.
Root Cause: The failure was due to an issue in one of our dependent services.
Incident Timeline: 40 minutes - 01/02, 06:05 UTC through 01/02, 06:45 UTC
We understand that customers rely on Log Search Alerts as a critical service and apologize for any impact this incident caused.