Facebook is back online, but the company continues to face allegations of misconduct

Website monitoring group Downdetector said Monday’s outage was the largest such failure it had ever seen. The outage also comes as Facebook contends with damaging revelations from an ex-employee.

Mark Zuckerberg commented on his company’s global outage, in a Facebook post on his restored site. Zuckerberg offered no explanation for what had happened, merely saying: “Facebook, Instagram, WhatsApp and Messenger are coming back online now.

Sorry for the disruption today — I know how much you rely on our services to stay connected with the people you care about,” he posted.