text: Reporters at the scene said three people had surrendered without any violence, but it was not clear if they were suspects - and police are beginning to reopen roads.
  The incident sparked fears it could be linked to terrorism, occurring hours after police in Australia locked down the centre of Sydney after an Islamist fanatic took numerous hostages in a cafe.
  More than 30 police officers have been called out to the scene this morning, but a police source said they believed the incident to be drug-related.
  'For the time being we have no indication that there is a link to terrorism,' said a spokesperson for the state prosecution service.
  They said: 'There is no indication that this is anything to do with terrorism. This is possibly related to drugs.'
  A federal police spokeswoman Annemie Serlippens added: 'There appears to be nothing political. And it does not seem to be going that way.'
  Local journalist Bert Staes reported earlier that people have been taken into custody without any violence and armed police are now entering the building.
  A former British boxing champion is due to appear in court today over an alleged plot to smuggle jihadists bound for Syria out of Britain.
  Anthony Small, 33, of south east London, was charged with preparation of acts of terrorism, support of a proscribed organisation and conspiracy to possess false identity documents.
  It is believed he is linked to a failed plot to sneak two men through the Port of Dover so they could travel to Syria and fight for Islamic State (ISIS).
  Small, who held British and Commonwealth light middleweight titles, turned professional in his early 20s under the alias Sugar Ray Clay Jones Jr.