The Belgian government announced on 26 November that the Brussels Region threat level is at Level 3 – a possible and real threat. Level 3 now applies for the whole of Belgium. You should remain alert and vigilant, especially in places where there’s a high concentration of people. Follow the advice of local authorities and respect security controls. You can find more information on the Belgian Crisis Centre website and Twitter feed.

Over-ground trains, (including international services), airports, trams and buses are operating. The Brussels metro network is expected to resume normal service from 27 November with additional security in place. For live information on the Brussels transport network, visit the STIB website or Twitter feed. There will still be a police and military presence in Brussels.

There have been a number of police raids in the Brussels Region and other Belgian cities in the past week. Belgian security operations are likely to be carried out at short notice. If you’re in an affected area you should follow the instructions of the Belgian security authorities. Police have asked the public not to comment on police operations on social media.

The Belgian authorities and International Tennis Federation (ITF) have put in place increased security measures at the Davis Cup Final, including additional checks at all entrances to the venue. These will apply to all ticket holders, staff members and visitors, so allow time in your travel plans for any delay this may cause. The ITF has advised that entry into the event will take longer than usual. Bags and backpacks won’t be permitted into the venue. Storage facilities will be available off-site. For further information please check the Tennis Flanders website.

The Christmas market in Brussels will open from 27 November but with reduced hours and additional security measures in place. Other public events across Belgium are also likely to see additional security. Some public events may be cancelled and some tourist attractions closed. Contact event organisers for information on whether specific events are going ahead.

You should check this travel advice for updates and subscribe to email alerts.

Travelling via Calais? Check our travel advice for France.

Up to 1.8 million British nationals visit Belgium every year. Most visits are trouble-free. Take out travel and medical insurance before you travel.

If you need to contact the emergency services in Belgium call 112.

If you’re travelling to commemorate the First World War centenary, see this information and advice page to help plan your trip and make sure it’s safe and trouble free. Some sites will become extremely busy at certain times of the year, and some may have access restrictions.

When visiting former WW1 battlefields in north west Belgium, stay on the footpath and exercise caution if you see anything that looks like shells or munitions. Unexploded shells have recently been uncovered. Move away from the site and call the police emergency number 112 to report any incidents.

European summits and demonstrations often take place around the Schuman area. They can cause some disruption and access to the British Embassy and the British Consulate General can be affected. Check local news and transport sites: train & metro info and also road info.

Theft and pick pocketing is a problem in crowded areas. Take care of your belongings and passports at all train stations in Brussels. See Crime

The Overseas Business Risk service offers information and advice for British companies operating overseas on how to manage political, economic, and business security-related risks.