For the second time in a week, Facebook is down for many users worldwide.

According to reports on Twitter, the outage struck at around 3pm ET.

The hashtag #facebookdown is the #1 trending topic right now, so it appears as though this is a major outage.

The last major Facebook outage took place on September 24th.

Everyone is asked to remain calm, and stay indoors. This will pass. Play around on Instagram for a few minutes. Please don’t call 911. They can’t help you.

Currently at Facebook. #FacebookDown pic.twitter.com/fGJusNzpum

— Rotten Tomatoes (@RottenTomatoes) September 28, 2015