A man believed to have been held hostage by four gunmen in western Ghent is reportedly "safe and well" after armed police stormed the apartment where he was being held.
Belgium's state prosecutors confirmed the safety of the man and said three other men had been detained after the siege, Reuters reports.
A spokeswoman for state prosecutors said: "Three men have been taken away though there were no weapons found. The earlier reports were of four men with kalashnikovs."
She added: "It's not entirely clear whether someone was in fact taken hostage."
Belgium's state prosecution service have confirmed a man has been taken hostage in an apartment in Ghent.
The apartment block was sealed off earlier this morning after four armed men were seen to enter the building but police have said it is still unclear what the intention of the gunmen is.
A spokeswoman for the state prosecution service said: "For the time being we have no indication that there is a link to terrorism."
An area around an apartment in Ghent, Belgium, has been sealed off by police after four armed men were seen to enter the building.
Police said it is still unclear what the intention of the gunmen was and that they had no more information available about them or whether they had taken hostages, according to Associated Press reports.
Burned out and defaced vehicles and rubbish-strewn streets have been left in central Brussels after violent clashes erupted as more than 100,000 protesters marched against austerity measures.
Vehicles have been overturned and set alight as a peaceful anti-austerity demonstration through Brussels involving more than 100,000 protesters erupted into violence.
Riot police fired water cannons to repel the demonstrators, who had taken to the streets in opposition to cuts introduced by the new Belgian government.
The Duke of Cambridge has paid tribute to the Belgian people for their "courageous resistance" in the First World War, as he gave a speech in Liege marking the 100th anniversary of the start of the war.
He said: "Among the very first victims [of WW1] were the people of Belgium whose resistance was as gallant as their suffering was great.
"The magnificent war memorial where we gather today honours the city of Liege and its people for their courageous resistance in 1914.
"The memorial and this ceremony also honours all Belgians who fought, suffered and died in the Great War".
The Duke and Duchess of Cambridge are attending a commemorative First World War ceremony in Liege, Belgium.
The event is marking the 1914 invasion of neutral Belgium, which led to Britain declaring war on Germany.
The French man held over the killing three people at the Jewish Museum in Brussels had recently returned from Syria, where he had joined jihadist groups, officials said.
ITV News Correspondent Claire Stewart reports:
The man arrested in France on suspicion of killing three people at Brussels' Jewish Museum has been carrying a Kalashnikov wrapped in a flag with the inscriptions of a militant Islamist group, prosecutors said.
Mehdi Nemmouche, carried the flag of the Islamic State of Iraq and the Levant (ISIL), an ultra-conservative militant group reconstituted from an earlier incarnation of al Qaeda and active in Syria and Iraq.
The 29-year-old Frenchman is said to have returned recently from fighting with Islamist militant rebels in Syria, prosecutors said.
The 29-year-old Frenchman arrested over the fatal shooting of three people at Brussels' Jewish Museum, has admitted to the killings, authorities said.
Mehdi Nemmouche is said to have admitted to the shooting in a video recording he was carrying while arrested in France.
"(In the video) he states that he committed the attack in Brussels against the Jews," Belgian federal prosecutor Frederic Van Leeuw said at a press conference.