Four armed men have stormed a flat in the Belgian city of Ghent and police say they may have taken a hostage.
The surrounding streets have been sealed off and residents in the apartment complex have been urged to remain inside.
Officials from the local prosecutor's office have so far ruled out any links to terrorism, or the ongoing incident in Sydney.
Our correspondent in Brussels Sandra Gathmann has more.
IN: "This is…"
OUT: "…violence."
DUR: 33 seconds