Reddit stopped working for a lot of people on Tuesday, the specified Tuesday.

Users hit an error screen when trying to log in.

The app version also failed for many trying to open it.

One outage monitor saw a spike of flags climb in a quick burst.

Several news outlets confirmed the problem stretched across different time zones.

It was a noticeable outage when looking at user complaints.

Reddit officials did not say what caused it at first.

No details came out at the outset.