Up to 28 people are dead and 30 wounded, including 15 dead at the Maelbeek metro station and 13 at the airport, said Belgian broadcaster RTBF, citing hospital sources. Officials said they do not have an accurate count of the number of dead and wouded. Belgian authorities have declared the attack at the airport a suicide attack. No terror group has claimed responsibility for the bombings. The two airport blasts happened around 8 a.m. at Zaventum Airport. Another blast happened a short time later at a subway station near the European Commission headquarters and the council of the European Commission. The terror level in Brussels has been raised to Level 4, its maximum, Belgian Prime Minister Charles Michel said. Transportation authorities closed down all metro stations in Brussels. In addition, rail service to the Belgian capital has been cancelled. A disaster plan was initiated at the airport, and it was being evacuated, RTL reported. The EU Commission canceled all meetings and raised its alert level to orange, according to Kristalina Georgieva, the vice president of the EU Commission.