Facebook is down for second time in a week

UPDATE: It appears Facebook is working again at 12:50 p.m.

The social networking service was down for about 20 minutes Monday.

Here are the best 'Facebook is down' tweets>>> 

Earlier post 

Is Facebook down? Yes.

Facebook is down for many users across the world.

Most users attempting to load the social networking website are getting error messages.

The outage was first reported around 3:03 p.m. ET.

Developing...