Schools and metro reopen in Brussels after four-day security lockdown

Belgium has lowered the security threat level in Brussels after nearly a week on maximum alert following the Paris attacks.

The reduction to Level 3 - serious - from Level 4 - very serious - brings the capital into line with the rest of the country.

Police in Belgium have carried out a raid in southern Belgium as part of the ongoing investigation into the Paris attacks, The Associated Press reports.

No arrests have been made.

Schools, businesses and the Metro rail network re-opened in Brussels today as the city made a cautious return to work following a four-day security alert.

But the Belgian capital is still on high alert, with a visible military presence on the streets.

ITV News Correspondent Dan Rivers reports:

The first metro service of the day has run in Brussels after four days of lockdown in Belgium's capital, sparked by a security alert.

Local media company RTBF tweeted a picture of the train:

Schools and the metro are expected to reopen in Brussels on Wednesday, despite the extension of a maximum security alert.

With troops and armed police patrolling the streets of the Belgian capital, Belgian authorities have charged a fifth person with terror offences relating to the attacks that killed 130 people in the French capital on November 13.

The metro system, schools, shopping malls, museums, cinemas and many restaurants have been closed in Brussels for several days after the alert level was raised to the highest of four grades.

A security alert in the capital city has been extended until Monday.

Brussels' main Christmas fair, which attracts around a million people a year, is due to open on November 27. Authorities are to decide on Thursday whether it can be opened.

Belgian authorities have charged a fifth person with terror offences relating to the Paris attacks.

The final of tennis's Davis Cup is to go ahead in the Belgium town of Ghent, despite a security alert in Brussels that has had the capital on lockdown for the last three days.

Security will be heightened during the event - which will see Britain play Belgium - with armed, undercover police sitting among the crowd.

ITV News correspondent Dan Rivers reports from Ghent.

Brussels will remain on the highest alert level, Belgium's prime minister has said.

Speaking at a news conference, Charles Michel said the security lockdown in the Belgium capital would remain in place.

Schools and the metro system are to reopen on Wednesday.

Belgium prosecutors have charged a fourth individual with terrorism offences, according to reports.

Reuters also reported prosecutors had charged the man, who was held in custody, with participating in the Paris terror attacks.

Another 15 people who had been arrested in an operation on Sunday night have now been released, according to a statement from prosecutors.

Two of five people detained earlier on Monday were also released, it said.