An explosion has detonated at a Metro station in Brussels, it has been reported.
Maalbeek Metro Station is in central Brussels and is situated near EU buildings. Eye witnesses have reported being evacuated after the station filled with smoke.
Photos posted to social media appear to show people running out of the station and into the adjoining street, surrounded by smoke.
Metro company STIB announced on Twitter that all Metro stations are now closed.
The blast follows two explosions at Zaventem Airport in Brussels this morning shortly before 8am local time (7am GMT). At least 10 people have died and 30 are injured, local authorities have said.
This breaking news story will be updated shortly.
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