A national strike in Belgium has resulted in the cancellation of flights and disruption of public transport, with tens of thousands of people expected to participate in a demonstration in Brussels. The strike, which is the latest in a series to hit the country, is a response to the government’s proposed austerity measures, including reforms to pensions and a wage indexation freeze.

Brussels Airport, the country’s largest, has cancelled all departures due to a lack of security staff, while Charleroi Airport, a major hub for low-cost airline Ryanair, has also been unable to operate flights. The strike has also affected the capital’s metro, tram, and bus services, with delays and cancellations reported.

The government, led by Prime Minister Bart De Wever, is seeking to make significant savings to address a budget deficit that exceeds European Union rules. However, trade unions have strongly opposed the proposed reforms, arguing that they will unfairly impact workers and pensioners. The unions have called on people to take to the streets to protest against the government’s plans, which they claim will benefit only the wealthy.

The strike is expected to increase pressure on the government, which failed to agree on a budget on Monday, forcing the prime minister to postpone a key speech to parliament. The government is seeking to find around 10 billion euros in savings, and has also pledged to increase spending on defense as part of a NATO push to boost rearmament.

The protest action is the latest in a series of strikes to hit Belgium since De Wever took office in February. The country has a history of industrial action, with trade unions playing a significant role in shaping government policy. The current strike is likely to have significant economic and social impacts, and will be closely watched by international observers.

As the situation continues to unfold, the government is likely to face increasing pressure to revisit its proposed austerity measures and engage in dialogue with trade unions. The outcome of the strike and the government’s response will have significant implications for the country’s economy and social stability. With the European Union closely monitoring the situation, the Belgian government will need to balance its fiscal responsibilities with the need to address the concerns of its citizens.