After four days of lockdown, schools and the underground metro system have re-opened in Brussels.
The sense of normalcy began to return even as hundreds of troops remain on the ground.
Belgian police have launched a series of raids across the country in search of several key suspects linked to the Paris attacks.
Al Jazeera's Neave Barker reports from the Belgian capital.
- Subscribe to our channel: [ Ссылка ]
- Follow us on Twitter: [ Ссылка ]
- Find us on Facebook: [ Ссылка ]
- Check out our website: [ Ссылка ]
![](https://i.ytimg.com/vi/svv7tMLKED4/maxresdefault.jpg)