Early July 3 at 12.39 PM ET facebook, Instagram and whatsapp was stop working due to some reasons. Users from all over the world was having issue on view images in their apps.
But later at same day facebook has annouced on twitter they fixed everything and now working properly.
Here is the tweet from the facebook on there office twiter page
We’re aware that some people are having trouble uploading or sending images, videos and other files on our apps. We’re sorry for the trouble and are working to get things back to normal as quickly as possible. #facebookdown
— Facebook (@facebook) July 3, 2019