Employees of Facebook are investigating issues Tuesday morning that caused errors and delays for some as users reported outages to the social media platform.

Users also reported outages on Instagram, the photo and video focused social media site also owned by Facebook.

It was not immediately clear if the reported issues were related.

Update 11:10 a.m. EST Nov. 20: Employees of both Facebook and Instagram took to Twitter on Tuesday morning to say they continue to work troubleshoot issues reported on the social media sites earlier in the day.

It was not immediately clear when the issues would be resolved.

Original report: Facebook officials said the company started investigating issues on the site around 5:30 a.m. EST.

According to downdetector.com, a majority of U.S. users who reported issues with Facebook or Instagram on Tuesday morning were on the east coast. Users reported that pages that were slow to load or failed to load entirely, among other issues.

Check back for updates to this developing story.