Belgian forces – searching for suspects in the aftermath of the Paris attacks – told citizens to stay indoors and not go near their windows for safety reasons.
They also appealed for social media silence about any police action users might witness – presumably to keep the suspects in the dark.
A tense time, no doubt. But Belgium reacted – how else? – with cats.
Instead of speculation about the sort of threat police might be reacting to, many people used the #BrusselsLockdown hashtag to post pictures of their pets.
See all the pictures here.