Down Detector recorded a spike in reported issues at around 9am on Thursday.
A Facebook spokesperson said the social media platform would work to get things back to normal “as quickly as possible”.
It later provided an update in the afternoon to say the issues had been resolved.
“The issue has been resolved and we apologise for any inconvenience,” said the spokesperson.
Monitoring service WebSitePulse said users from all around the world were experiencing “trouble sending and receiving messages” on Facebook.
Frustrated social media users took to Twitter to share their difficulties with accessing the social media platforms.
— Century Gowda (@bakwaasgiri) December 10, 2020
me turning my wifi on and off thinking it was the connection when rlly facebook messenger was down pic.twitter.com/haT4OUPkMT
— 𝘊𝙖𝙧𝙡 (@Carlyoroo) December 10, 2020
Many users said they were faced with a message that says the app is “waiting for network”.
One Twitter user wrote: "Is Facebook Messenger down? I cannot send and receive messages!"
instagram dms are down right i’m not just tripping
— jojo (@thejojoplace) December 10, 2020
Earlier a Facebook spokesperson told the Evening Standard: "We are aware that some people are having trouble sending messages on Messenger, Instagram and Workplace Chat.
"We’re working to get things back to normal as quickly as possible.”